Task: Question Answering
Input (English): Question: If a, b, and c are integer and ab + c is odd, which of the must be true?
I. a + c is odd
II. b + c is odd
III. abc is even

 Option A: I only

 Option B: II only

 Option C: III only

 Option D: I and III only

 Option E: II and III only
Output (English): Option C