P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ?
Choose the correct choice from the following options:
A) Q is K's son
B) Q is L's son
C) Q is S's son
D) Q is T's son
E) I is T's son
Explanation:   P, Q, R are children of same parents. So. S who is R's mother and T, who is R's father will be mother and father of all three.   However, it is not mentioned whether Q is male or female So, D cannot be definitely true.   Answer: Q is T's son) Q is T's son
<result>D</result>
P is the brother of Q and R. S is R's mother. T is P's father. Which of the following statements cannot be definitely true ?