Consider the context$-$free grammar with the following production rules, and S the start symbol.$$

Then describe the language generated by the grammar.

S $->$ CBcCB$$

C$->$ aCb $|$ ab$$

B$->$ b

Question $5$

Select one or more:

$\{$anbn$+1$cambm$+1|$ n$,$ m $>=0\}$

All strings containing at least the same number of a$$s and b$$s$,$ separated by c

All strings containing a$$s and b$$s$,$ and exactly one c

$\{$anbn$+1$canbn$+1|$ n $>=1\}$

All strings containing $1$ or more a followed by $1$ or more b

$\{$anbn$+1$cambm$+1|$ n$,$ m $>=1\}$

a$*$b$*$ca$*$b$*$

$\{$anbn$+1$canbn$+1|$n$>=0\}$