Consider the following context free grammar in BNF form for simple English sentences: (r1) → (r2) → a (r3) → an (r4) → the (r5) → apple (r6) → rose (r7) → umbrella (r8) → is (r9) → appears (r10) → here (r11) → there Give the derivation of the sentence “the apple is there” by using one or more of the above rules.
Consider the following context free grammar in BNF form for simple English sentences: (r1) → (r2) → a (r3) → an (r4) → the (r5) → apple (r6) → rose (r7) → umbrella (r8) → is (r9) → appears (r10) → here (r11) → there Give the derivation of the sentence “the apple is there” by using one or more of the above rules.
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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Consider the following context free grammar in BNF form for simple English sentences:
(r1) <sentence> → <article> <noun> <verb> <adverb>
(r2) <article> → a
(r3) <article> → an
(r4) <article> → the
(r5) <noun> → apple
(r6) <noun> → rose
(r7) <noun> → umbrella
(r8) <verb> → is
(r9) <verb> → appears
(r10) <adverb> → here
(r11) <adverb> → there
Give the derivation of the sentence “the apple is there” by using one or more of the above rules.
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