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Question 1 Give a context - free grammar for each of the following languages over = { a , b , c } . A
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Give a contextfree grammar for each of the following languages over
A&
B or ; where is even &
Question
Suppose, you are given the grammar below. Now solve the following problems.
A Show that the grammar is ambiguous by demonstrating three different
parse trees for string
B Find two strings of length six such that those strings do not have more
than one parse tree for the grammar above.
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