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Consider the grammar - > | - > | Where is the start symbol, and are the non - terminals and and are the terminals.
Consider the grammar
Where is the start symbol, and are the nonterminals and and are the terminals. For each of the following indicate if the input has no parse tree according to the grammar, the input has one unique parse tree according to the grammar or the input only two parse trees according to the grammar.
a a b b as followed by bs
a a a b b b as followed by bs
a a a a b b b b as followed by bs
a a a a a b b b b b as followed by bs
a a a a a a a a b b b b b b b b as followed by bs
Give an example of an input that has three parse trees according to the grammar.
Draw two of the parse trees for the input given in part
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