what are the canonical form of the functions that are implemented in the given PLD$?$

a$)F_1(A,B,C)={\displaystyle \underset{?}{\overset{?}{}}}(3,4,5,7),F_2(A,B,C)={\displaystyle \underset{?}{\overset{?}{}}}(0,2,3,7)$

b$)F_1(A,B,C)=(2,4,5),F_2(A,B,C)=(0,1,2,4,5)$

c$)F_1(A,B,C)={\displaystyle \underset{?}{\overset{?}{}}}(2,4,5),F_2(A,B,C)={\displaystyle \underset{?}{\overset{?}{}}}(0,1,2,4,5)$

d$)F_1(A,B,C)=(0,1,3,7),F_2(A,B,C)=(3,6,7)$