exercise 2.2.2 : what language is generated by the following grammars? ineach case justify your answer. a) s ! 0 s 1 j 0 1 b) s ! s s j - s s j a c) s ! s ( s ) s j d) s ! a s b s j b s a s j e) s ! a j s s j s s j s * j ( s )