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.

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
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Q1.
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.

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