DIRECTIONS for the question: The following question consists of six statements (A, B, C, D, E and F) followed by options consisting of three statements put together in a specific order.
Choose the option which indicates a valid argument containing logically related statements that is, where the third statement is a conclusion drawn from the preceding two statements.

A. All balls are locks
B. All keys are locks
C. All keys are balls
D. Some keys are locks
E. Some locks are, balls
F. No ball is lock