onsider the languages L$1=\{$a$,$ ab$,$ abb$\}$ and L$2=\{,$ b$,$ abb$\}$

What are all the strings in

A$)\{$abb$\}$

B$)\{,$ b$,\}$

C$)\{$b$\}$

D$)$

E$)\{$a$,$b$,$ab$,$abbb$\}$