For the alphabet $\backslash$Sigma $=\{0,1\},$ let A$,$ B$,$ C $\backslash$Sigma $$ be the languages below.

i$.$ A$=\{1,0,00,11,000,111,0000,1111\}$ ii$.$ B$=\{$w in $\backslash$Sigma $|||$w$||>=2\}$

iii. C $=\{$w in $\backslash$Sigma $|||$w$||<=2\}$

Note: $||$w$||$ denotes the length of the word w$.$

Determine the following languages of $\backslash$Sigma $$:

a$.$ A$\backslash$cap B$.$ b$.$ A$\backslash$cap C$.$ c$.$ B$\backslash$cup C$.$ d$.$ A$$B$.$