Task: Question Answering
Input (English): Question: A and B walk around a circular track. They start at 9 a.m. from the same point in the opposite directions. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. How many times shall they cross each other before 10:00 a.m.?

 Option A: 8

 Option B: 7

 Option C: 6

 Option D: 5

 Option E: 10
Output (English): Option E