Task: Question Answering
Input (English): Question: A and B walk around a circular track. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. If they start at 8 a.m. from the same point in opposite directions, how many times shall they cross each other before 9.30 a.m.?

 Option A: 5

 Option B: 6

 Option C: 7

 Option D: 8

 Option E: 23
Output (English): Option C