There are five men A, B, C, D and E and six women P, Q, R, S, T and U, A, B and R advocates;
C, D, P, Q and S are doctors and the rest are teachers. Some terms are to be selected from amongst these eleven persons subject to the following condition :
A, P and U have to be together.
B cannot go with D or R.
E and Q have to be together.
C and T have to be together.
D and P cannot go together.
C cannot go with Q.
If the term is to consists of two advocates, two doctors, two teachers and not more than three ladies, the members of the team are :
A C P R T U and A E P Q R T are wrong because each of these combination consists of four ladies. B C E Q R T is incorrect because B and R cannot go together.