(4) If L₁ U L₂ is a context free language, then L₁ and L₂ must be context free. True False
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- Chomsky Normal Form: Most useful grammars can be translated into a nor-mal form making answers to questions about the language more transparent.15. Consider the following statements related to compiler construction:I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata.II. Syntax Analysis is specified by regular expressions and implemented by finite-state machine.Which of the above statement(s) is/are correct? a. Only l b. Only ll c. Both I and II d. Neither I nor II2) Give examples of each of the following: a) A language that is not context free. b) A language that is context free but not deterministic context free. c) A language that is accepted by a deterministic pushdown automaton but is not regular.
- Question 3: Formally define a language N which recognizes only one string: your university student ID written in reverse.I need help with my context free language. It needs to do the following 1. Developing a language model based on the context-free grammar: Use the context-free grammar to develop a language model that can be used to generate coherent and grammatically correct sentences in American English.2. Incorporating semantic information into the context-free grammar: Expand the context- free grammar to incorporate semantic information, such as word meaning and context, to generate more meaningful sentences in American English. Please edit the program to where it does what I asked for. I need an original answer that edits my code to do the following of what I asked for above here is my Java code import java.util.*;import java.util.stream.Collectors; public class CFG { private static Map<String, List<String>> rules; public static void main(String[] args) { rules = new HashMap<>(); initializeGrammarRules(); String sentence = generateSentence("S");…I need help with my context free language. It needs to do the following 1. Developing a language model based on the context-free grammar: Use the context-free grammar to develop a language model that can be used to generate coherent and grammatically correct sentences in American English.2. Incorporating semantic information into the context-free grammar: Expand the context- free grammar to incorporate semantic information, such as word meaning and context, to generate more meaningful sentences in American English. Please edit the program to where it does what I asked for. here is my Java code import java.util.*;import java.util.stream.Collectors; public class CFG { private static Map<String, List<String>> rules; public static void main(String[] args) { rules = new HashMap<>(); initializeGrammarRules(); String sentence = generateSentence("S"); System.out.println(sentence); } private static void initializeGrammarRules() {…
- I need help with my context free language. It needs to do the following 1. Developing a language model based on the context-free grammar: Use the context-free grammar to develop a language model that can be used to generate coherent and grammatically correct sentences in American English.2. Incorporating semantic information into the context-free grammar: Expand the context- free grammar to incorporate semantic information, such as word meaning and context, to generate more meaningful sentences in American English. Please edit the program to where it does what I asked for. I need an original answer that edits my code to do the following of what I asked for above here is my Java code import java.util.*;import java.util.stream.Collectors; public class CFG { private static Map<String, List<String>> rules; public static void main(String[] args) { rules = new HashMap<>(); initializeGrammarRules(); String sentence = generateSentence("S");…1.F 1. Prove that the following language L is not contextfree: L = { a'b'a| j>i>1 }.1. Create a PDA that is equivalent to the following CFG: Context-free grammar Variables: V = {A,B,S}. Input alphabet: I = {a,b}. Initial variable: Vo = S. Rules: S- asb S- ABa A - bAS А — ав A - a B - Abs В — Ь