What is the language generated by the below CFG? S A | C | CA | AC A BD | a D AB C BE | c E CB B a | c

1.{wwr | w {a, c}*

2.None of the above.

3.{a, c}*ac{a, c}*

4.{a, c}*

5.{a, c}* - {ww | w {a, c}*}