Task: Question Answering
Input (English): Question: Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 25 seconds, what is the ratio of their speeds?

 Option A: 1:3

 Option B: 4:1

 Option C: 2:3

 Option D: 3:2

 Option E: 3:4
Output (English): Option B