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In this grammar, "S" is the starting symbol, which generates a sentence by combining a noun phrase (NP and a verb phrase (VP). The NP is composed of a determiner (Det) followed by a noun (N), while the VP is composed of a verb (V) followed by an NP. The grammar includes four determiners ("a", "an", "the" "some"), four nouns ("cat", "dog", "book", "tree"), and four verbs ("chased" "ate" "read" "climbed") With

In this grammar, "S" is the starting symbol, which generates a sentence by combining a noun phrase (NP and a verb phrase (VP). The NP is composed of a determiner (Det) followed by a noun (N), while the VP is composed of a verb (V) followed by an NP. The grammar includes four determiners ("a", "an", "the" "some"), four nouns ("cat", "dog", "book", "tree"), and four verbs ("chased" "ate" "read" "climbed") With

Database System Concepts
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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I need help developing a parser that can take a sentence generated by the context-free grammar and parse it into a parse tree, which can be used to represent the structure of the sentence. Like the example given
A simple regular grammar that can generate some simple English sentences: S-> NP VP NP -> Det N VP -> V NP Det -> a I the N-> cat I dog I book I tree V -> chased I ate I read I climbed In this grammar, "S" is the starting symbol, which generates a sentence by combining a noun phrase (NP) and a verb phrase (VP). The NP is composed of a determiner (Det) followed by a noun (N), while the VP is composed of a verb (V) followed by an NP. The grammar includes four determiners ("a", "an", "the", "some"), four nouns ("cat", "dog", "book", "tree"), and four verbs ("chased", "ate", "read", "climbed"). With these rules, the grammar can generate sentences like: • The cat chased a dog. • A book was read by the tree. • Some dogs climbed the tree.
Transcribed Image Text:A simple regular grammar that can generate some simple English sentences: S-> NP VP NP -> Det N VP -> V NP Det -> a I the N-> cat I dog I book I tree V -> chased I ate I read I climbed In this grammar, "S" is the starting symbol, which generates a sentence by combining a noun phrase (NP) and a verb phrase (VP). The NP is composed of a determiner (Det) followed by a noun (N), while the VP is composed of a verb (V) followed by an NP. The grammar includes four determiners ("a", "an", "the", "some"), four nouns ("cat", "dog", "book", "tree"), and four verbs ("chased", "ate", "read", "climbed"). With these rules, the grammar can generate sentences like: • The cat chased a dog. • A book was read by the tree. • Some dogs climbed the tree.
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