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 12:00 P.m.?

 Option A: 28

 Option B: 27

 Option C: 26

 Option D: 25

 Option E: 20
Output (English): Option E