Select all the grammars below which correctly generate the language: L = {c"aab"bbwwR :w ɛ {a,b}*, n >1} Assume that the start variable is S. S+cSb|caaAb AbbB BaBa| beb|A S-CAbbbe ACAB|aa 8-aBa beb|aa |bb|A SAbbe ACAB|caab BaBa| b8b|C S-ABC ACAb|caab Bbb Caca|bCb|A

Q: Q1. Design Context free grammars for the following: 1. {w € {0, 1}*| w contains at least three 1s }…

A: 1.  From the above given question that is { w ∈ {0,1}*| w contains at least three 1s } and from this…

Q: Let L2 be the language defined as follows: 12 =( 0"1"0" | n, m20} Which of the following…

A: Answer Option A= >  A -> 0A0 | B B -> 1B | ∈

Q: 1. Construct a Context Free Grammar that only accepts strings maintaining the following property: L…

A: Context-Free Grammar (CFG) stands for grammar in Theory of computation. It is the program used to…

Q: Q1-Consider the following grammar: → a c | → C | C → d Which of the following sentences are in…

A:

Q: QUESTION 4: CONSIDER THE FOLLOWING GRAMMAR THEN ANSWER THE QUESTIONS BELOW: S -a | bbA | B A → aB_]…

A: A. Removing null productions : Removing A -> λ S -> a | bb | bbA | B A -> aB B -> a | aA…

Q: 1) Find context-free grammars for the following languages: (a) L = anbn, n is even. (b) L = anbn, n…

A: Actually, given information is: (a) L = anbn, n is even. (b) L = anbn, n is odd. (c)L = anbn, n is a…

Q: Construct Context Free Grammars (CFGS) for each of the following languages. i. L1 = { a"b?n | i,…

A: We are given a language, L1= {anb2n| i,n>=0} which states that - number of b's in the string must…

Q: Let L, and L2 be the languages defined as follows: L1 ={ xe{0,1}* | x has an odd number of Os}. L2…

A: In this question, we have two languages L1 and L2 and asked the grammar for L1 U L2. L1 is a regular…

Q: Consider the following grammar: → a b > b | b b Which of the following sentences are in the…

A: Given that, S→AaBbA→Ab|bB→b This grammar contains variables S, A and B and terminals a, b.

Q: Q2. Consider the following Context Free Grammar (CFG) S- Aa | BAb A BB | c B → Sd |e where {a, b, c,…

A: Parse Tree:    The process of deriving a string is called as derivation.  The geometrical…

Q: Consider the language L=(a*+b)*. Which of the following grammar depicts the language L? a) S → aS…

A: (a*+b)* means zero or more occurrence of (a*+b). Here even empty string is in the language. But in…

Q: Consider the language L=(a*+b)*. Which of the following grammar depicts the language L? a) S → aS…

A: Explanation:  In language L, having a number of a's can be 0 but the number of b's is always more…

Q: Consider the following grammar:   à a b à b | b à a | a   Which of the following…

A: The given grammar ::   s -> A a B b A -> A b | b B -> a B | a   Options for the sentence…

Q: Consider the following grammar G. Where X, Y and Z are non-terminals and remaining are terminals…

A: Introduction

Q: The following two grammars are equivalent: G1 = ({S), (0, 1), S, P;), P;: S → 0S1S| 1S0S|A G2 =…

A: We have given 2 grammars and we have to check whether both are equivalent or not. Any 2 grammars are…

Q: Determine the languages L(G) generated by the following grammars? S → Ab A → aAb |A L(G) = { am1 b"…

A: In given problem, we have a grammar G S-->Ab A--> aAb | λ We have to determine the language of…

Q: 1 CFGS Consider the following grammar. erpr := erpr + expr | erpr + erpr|(crpr) | number number :=…

A: When working with text, whether authoring or editing, we often need to change something. Name of…

Q: 1. Give context-free grammars to generate the following languages: (a) L1 = {vuvkw : u, v, w E {0,…

A: A context free grammar is in the form  CFG {N,T,P,S} where N- set of Non terminal symbols T- set of…

Q: 1. The grammar is known as follows: P → H | PbdH H → a | (P) Asked: c. Please check the parsing…

A: Given grammar: P → H | PbdHH → a | (P)     To check: abda

Q: 4. Find a grammar which generates language L = {bma"+2b" | n, m 2 0}

A: For given Language L , we have to write a grammar. In given Language L , we have 3 different things…

Q: Find context-free grammars generating each of the languages below. a. {aibj | i ≤ j} f. {aibj | j <…

A: a. {aibj | i ≤ j} here  i ≤ j so a ≤ b So, the strings generated by the language are ε ,…

Q: 1. Consider the following context-free grammars (CFG). With the help of leftmost derivation decide…

A:

Q: Write a grammar for the language consisting of strings that have n copies of the letter "a" followed…

A: In this question, we have a language which contain strings that have n copies of the letter "a"…

Q: Design a context free grammar for the following language. L = { 0"1" |m,n>= 0 , n !=m}

A: Given: CFG for the given Language L={0,1|0m1n0m1n} The solution for above problem was shown…

Q: Please use --> to represent the arrow in production rules. Write each production rule in a new line.…

A: In below  figure shows the production rule:

Q: 1. Use the algorithm described in our course materials (videos) that takes a CFG and converts it…

A: ANSWER:         GIVEN CFG IS  S-&gt;AB A-&gt;aA | b B-&gt;bBb | aa|^  here  the following steps are…

Q: Consider the following grammar, > a b > blb

A: The Answer is

Q: S -> aSa | aXa X ->aXa | bYb Y -> bYb | empty   where S is the start symbol, non-terminals = {S,…

A: Pumping Lemma: Pumping Lemma states that, if the infinite language has to be accepted by a finite…

Q: b. Consider the language L generated by the following grammars G, {S→ AB | AA A- BB | a B→ AB | b}…

A: Dear Student, For applying CFK algorithm first we need to check whether the grammar is in Chomsky…

Q: Consider the following grammar: S➞ ACB/CbB/Ba A➞ da/BC B➞ g/∈ C➞ h/∈ What is the first of B? 1. {…

A: First of B:production rule of B:B -&gt; g/e //here e is epsilong is terminale is epsilon so, from…

Q: Write a grammar for the following language. This language consists of strings that have n copies of…

A: Grammar : can be defined as the set of rules defined by the language.                   Grammar is a…

Q: Define context free grammar and write context free grammar for the languages, (1) ) L={a'bick li+j =…

A: The Answer is

Q: Consider the following context-free grammars (CFG). With the help of leftmost derivation decide…

A: Ambiguous grammars are the grammars by which a string is generated more than one way. In other words…

Q: Find context-free grammars for the following languages: (a) L = anbn, n is even.  (b) L = anbn, n…

A: This is a structured grammar that is used in a given formal language to create all various concepts…

Q: Q No. 2: Consider the following grammar G: S - ABS I AB A→ aAla B - bA Which of the following…

A:

Q: Consider the following grammar.  ::= , |    ::=   ::= A | Y | B | U  ::= 1|2|3|4 Which of…

A:

Q: Define context free grammar and write context free grammar for the languages, (i) L = {a'bick | i +…

A: The Answer is

Q: Write a context-free grammar that accepts the language L = anbmck, n > m, m ≥ 0, k > 1. The alphabet…

A: L = anbmck, n &gt; m, m ≥ 0, k &gt; 1. There are three ‘cases’ to consider: 1. More a’s than b’s.…

Q: *) Show parse trees and abstract syntax trees for: a) a +b * c * d * e * f b) а - b/c/d+e- c) a / (b…

A: Let see the step by step explanation below-

Q: Find a grammar that generates language L = {b"a" : m,n2 0}. Find a grammar that generates language L…

A: So, the grammar that generates language L = {bman : m,n &gt;= 0} Here the value of m and n should be…

Q: Consider the following grammar: E? T + E {print (“*”)} E? T { } T?int {print(“num”)} T? int * T…

A: Solution: figure 1:

Q: Eliminate ambiguity from the following grammar, S→ iEtS I iEtSeS I a E → blcld. Where a, b, c, d,…

A: The Answer is

Q: etical computer science 2    With the help of CYK algorithm, show that the word aabbbb is in the…

A: It is defined as the Algorithm correctly computes X i j for all i and j; thus w is in L(G) if and…

Q: This is a question from my first Theory of Computing practice homework assignment included as an…

A: Regular language for the set of strings that either contain bbaa or aabb:S-&gt; AB | BAA-&gt;…

Q: Given the following EBNF grammars. (i) draw their syntax diagram (ii)write each grammar in form of…

A:

Q: 19. Consider the following grammar. S→ ASBC CB BC bB bb S → aBC aB ab Context bC bc cC → cc (a)…

A: According to our guidelines we solve first three sub parts:…

Q: What is the context-free grammar that generates this following language. (xm+7ym} | m20 } Terminals…

A: Given context free language is, {xm+7ym} where  m&gt;=0 x, y are the terminals

Q: The following context-free grammar can parse all the lowercase roman numerals from 1-99. The…

A: Introduction :Given , A grammar we have asked to calculate the first(S).

Q: 1. Consider the following Grammar S- E E – TE' E' → +E |-E | ɛ | F → id | num T - FT' T' → *T | /T |…

A: Ambiguous Grammar : A grammar is ambiguous if we have more than one way of processing any…

Q: *.The following grammar is E>E+T|T T>T*F[F F> id a) not Unambiguous O

A: The given grammar is Unambiguous. Def of Unambiguous A grammar can be unambiguous if the grammar…