One or two statements are given followed by two conclusions, I and II. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You are to decide which of the given conclusions/assumptions can definitely be drawn from the given statement. Indicate your answer.

Statement:
All boys are tall.
Rajiv is a boy.

Conclusion:
I: Rajiv is tall.
II: Rajiv is not tall.