$(5$ points$)$ Describe the language $L$ based on the following grammar $G=(V,.R,S),$ where $V=\{S,A,B,C\},=\{a\},R($which is provided below$),$ starting variable $S.$ Based on your answer, please include a short description of what led to you to the conclusion in order to receive potential full credit on this question.

$SA|B|C$

$A$ aaaa $A|a|$

$B$ aaaaB $B|aa|$

$C$ aaaa $C|$ aaa $|$