Task: Question Answering
Input (English): Question: A train crosses a bridge of length 1500 m in 70 seconds and a lamp post on the bridge in 20 seconds. What is the length of the train in metres?

 Option A: 375 m

 Option B: 750 m

 Option C: 250 m

 Option D: 600 m

 Option E: 300 m
Output (English): Option D