Alex, Sue, Pam and Dan have lockers on different floors of the building - on the first, second, third or fourth. Each of the 4 lockers are of different colour - blue, yellow, red or green.

The person who has his locker on the third floor does not have a green locker. Pam does not have her locker on the second floor. Dan has his locker on the fourth floor and Alex has a blue locker.

The locker on the third floor is yellow.
O True
O False
O Cannot say