For two sets A and B, is $$A \cap B = \phi$$?
I. n(A) = 7, n(B) = 9
II. $$n(A \cup B) = 14$$

A

If the statement I alone is sufficient to answer the question.

B

If the statement II alone is sufficient to answer the question.

C

If both the statement I and II alone are sufficient to answer the question but neither statement alone is sufficient

D

If both the statements I and II together are not sufficient to answer the question and additional data is required.