Given the grammar below, show how it would be used to derive a parse tree for the sentence below. Show the order in which rules would beapplied if using a bottom up chart parsing.The book covers key ideasS → NP VPNP → DET N OMNOM → ADJ N OMNOM → NOUNVP → V ERB NPVP → V ERBDETtheADJbookADJkey

Answer: I am showing step by step bottom up parsing given grammar.

Answered: Given the grammar below, show how it…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Q1.S → aB | bAA → aS | bAA | aB → bS | aBB | bUsing top-down parsing, find the leftmost derivation in the grammar given above for the wordaaabbb. Please write your answer in an explanatory way like the step by step parsingsolutions in your textbook. You can number branches of the parsing tree and can use yourpaper in landscape (horizontal) orientation while drawing the parsing tree.
S→ aB | bA A → aS | bAA | a B → bS | aBB | b Using top-down parsing, find the leftmost derivation in the grammar given above for the word aaabbb. Please write your answer in an explanatory way like the step by step parsing solutions in your textbook. You can number branches of the parsing tree and can use your paper in landscape (horizontal) orientation while drawing the parsing tree.
S → aS | AB |B A → abA | ab В — ВB| ba Using top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like the step by step parsing solutions in your textbook. You can number branches of the parsing tree and can use your paper in landscape (horizontal) orientation while drawing the parsing tree.
S → aS | AB | BA → abA | abB → BB | baUsing top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like the step by step parsing solutions in your textbook. You can number branches of the parsing tree and can use your paper in landscape (horizontal) orientation while drawing the parsing tree.
S → aS | AB | BA → abA | abB → BB | baUsing top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way step by step. You can number branches of the parsing tree
S → aS | AB | B A → abA | ab B → BB | ba Using top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like the step by step parsing solutions in your textbook. You can number branches of the parsing tree and can use your paper in landscape (horizontal) orientation while drawing the parsing tree.
2. Using the grammar E-> E+T E-> T T-> id T-> number T-> (E) a. Give a derivation and draw a parse tree for a + b + (c+d). Derivation: F can women w
S→ as | AB | B A → abA | ab В — B| ba Using top-down parsing, find the leftmost derivation in the grammar given above for the word aababba. Please write your answer in an explanatory way like step by step parsing. You can number branches of the parsing tree and can use a paper in landscape (horizontal) orientation while drawing the parsing tree.
1. Draw a parse tree for the string ddadddd using buttom-up and Top-down methods with the Context-Free Grammar below:Q → dQbb | FF → aF | ε 2. What is the problem with a grammar that generates two different parse trees? Give an example. 3. Differentiate between top-down and bottom-up parsing methods using a typical grammar. 4. Write a regular expression to describe inputs over the alphabet {a, b, c} i) that are in sorted order ii) containing at least one a and at least one b 5. Construct the NFA that will accept the string of (dc|ac)* dc (gg|bb)*dc.
. Consider the following grammar (G1) for simple assignment statements. (The symbols that begin with upper-case letters are variables and Assign is the start variable.) Assign Id := Expr Id → abc Expr | Expr * Expr |(Expr) | Id Expr → Expr a) Give a (leftmost) derivation for string a := b ⋆ a — c. b) Give a parse tree for string a := b ⋆ a — c.
S → aS | AB | BA → abA | abB → BB | baUsing top-down parsing, find the leftmost derivation in the grammar given above for the word aababba.
This question is based on the following grammar: exp -> exp + term I term term> term factor I factor factor -> num var | ( exp) i. Explain why this grammar is not suitable for recursive descent parsing. Modify the grammar so that it is in a suitable form. ii. Show both the parse tree and the abstract syntax tree for: 3 + x + y*y * z

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