Among six people P, Q, R, S, T and V each lives on a different floor of a six-storey building having six floors numbered one to six (the ground floor is numbered 1, the floor above it, number 2 and so on and the topmost floor is numbered 6. Who lives on the topmost floor? I) There is only one floor between the floors on which R and Q live. P lives on an even numbered floor.
II) T does not live on an even numbered floor. Q lives on an even numbered floor. Q does not live on the topmost floor.
III) S lives on an odd numbered floor. There are two floors between the floors on which S and P live. T lives on a floor immediately above R's floor.

If the data in Statement I and II are sufficient to answer the question, while the data in Statement III are not required to answer the question.

If the data in Statement I and III are sufficient to answer the question, while the data in Statement II are not required to answer the question.

If the data in Statement II and III are sufficient to answer the question, while the data in Statement I are not required to answer the question.

If the data in either Statement I alone or Statement II alone or Statement III alone are sufficient to answer the question.

If the data in all the Statements I, II and III together are necessary to answer the question.