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Consider the following context-free grammars (CFG). With the help of leftmost derivation decide whether the grammars are ambiguous or not. a) E S 0E44

    

Consider the following context-free grammars (CFG). With the help of leftmost derivation decide whether the grammars are ambiguous or not. a) E S 0E44 0A E+E | A | F | A 5A7 | 2S3 | 0S4 | & F 5 (5) String: 2003+00444 b) B11BS | OSOB | & String: 011010 SAC01 | OS | 1S | A1 A1 | B | CA | Cxy A c) B 1B3 | 1S3 | & S2BA | 1S | 2A A A11 |12AS3 | B | String: 112113

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