Task: Question Answering
Input (English): Question: Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is?

 Option A: 4:6

 Option B: 4:3

 Option C: 4:4

 Option D: 4:7

 Option E: 4:2
Output (English): Option B