Task: Question Answering
Input (English): Question: Positive integer x has p factors; 3x has 3 factors; Which of the following values can p take?
I. 1
II. 2
III. 3

 Option A: II or III

 Option B: I or III

 Option C: I or II

 Option D: only I

 Option E: only II
Output (English): Option E