Is the product of the integers x, y and z equal to 1?
I. x + y + z = 3
II. x > 0, y > 0, z > 0

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 statements I and II are sufficient to answer the question but neither statement alone is not sufficient

D

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