If a is the father of b then c is the brother of a then b is the siste

1.	If a is the father of b then c is the brother of a then b is the sister of a then who is a,b,c,d
Answer» ANSWER: I am a U are b and our FRIENDS are C and d

If a is the father of b then c is the brother of a then b is the sister of a then who is a,b,c,d

Answer»

I am a

U are b

and our FRIENDS are C and d