Comprehension Passage
Seven boys P, Q, R, S, T, U and V have different weights. V is heavier than Q. P is heavier than only three people. Q is heavier than P. T is heavier than S but lighter than R. U is heavier than R but lighter than Q.
How many boys are lighter than U?
1
Five
2
Four
3
Two
4
Three
5
None of these