Question $6$

What is the language of the grammar with the following production rules? $S$ASb$|c,Aa|$ :

$\{a^{n}c{b}^n|ninN\}$

$\{xcb|xin\{a{\}}^{**}\}$

$\{$acy $\{$:$|yin\{b{\}}^{**}\}$

$$ All of the answers above are incorrect