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Which among the following can parse a context free grammar?

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Which among the following can parse a context free grammar?

(a) top down parser

(b) bottom up parser

(c) CYK algorithm

(d) all of the mentioned

I got this question in examination.

I want to ask this question from CFL- Other Normal Forms in chapter Properties of Context Free Languages of Automata Theory

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Correct answer is (d) all of the mentioned

The explanation is: We use certain algorithms to parse a context free grammar which include the most popular CYK algorithm which employs the concept of bottom up parsing and dynamic parsing.

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