Problem $3$: Given relation $U(A,B,C,D)$ with $F{D}^{\text{'}}sAC$ and $BC.$

a$.$ Complete the closures for all subsets of U using the FDs provided.

$\backslash$table$[[1-$Attribute,$2-$attribute,$3-$attribute,$4-$attribute$],[\{A\}+=,,\{A_{,}(B{)}_{,}C\}+=,\backslash$table$[[\{A_{,}B,C,D\}+$