A family of two generations consisting of six members P, Q, R, S, T and U has three males and three females. There are two married couples and two unmarried siblings. U is P's daughter and Q is R's mother-in-law. T is an unmarried male and S is a male. Which one of the following is correct?
A
R is U's husband.
B
R is S's wife.
C
S is unmarried.
D
None of the above
Correct Answer: Option B
Explanation
1. **Analyze Numerical Constraints**: The question gives strict numbers: 6 members, **3 Males, 3 Females**, and 2 Married Couples [20, 3