If Dick's father is Tom's son, what relation is Dick to Tom?

Question

P is the father of Q and S is the son of R.
T is the brother of P and has a daughter U.
If R is the sister of P,
then what is the relation between U, Q and S?

Answer 1

Ans:Dick is Grandson of Tom

Answer 2

Tom is Grandfather of Dick.

Answer 3

Dick is the grandson of Ton