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 and they cross each other in 23 seconds. The ratio of their speeds is?

 Option A: 3/7

 Option B: 3/2

 Option C: 3/5

 Option D: 3/6

 Option E: 3/1
Output (English): Option B