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Compiler DesignCheck whether the following grammar is LL(1) grammar or not : S \rightarrow iEtSA | a A \rightarrow eS | \epsilon E \rightarrow b20197m Compiler DesignDiscuss ambiguity in grammar. Show that the given grammar is ambiguous: S \rightarrow ABA A \rightarrow aA \mid \varepsilon B \rightarrow bB \mid \varepsilon20257mFORMAL LANGUAGE & AUTOMATA THEORYShow that the following grammar is ambiguous: S \rightarrow SS | aSb | bSa | \epsilon20257m Compiler DesignProve that the following grammar is ambiguous on string 'aab': S \rightarrow aS \mid aSbS \mid \varepsilon20257m