Task: Question Answering
Input (English): Question: A train sets off at 9:00 am at the speed of 70 km/h. Another train starts at 9:30 am in the same direction at the rate of 84 km/h. At what time will the second train catch the first train?

 Option A: 11:00

 Option B: 11:30

 Option C: 12:00

 Option D: 12:30

 Option E: 1:00
Output (English): Option C