Task: Question Answering
Input (English): Problem: a man is standing on a railway bridge which is 180 m long. he finds that a train crosses the bridge in 20 seconds but himself in 8 seconds. find the length of the train and its speed
Options: a. 50 km, b. 52 km, c. 54 km, d. 56 km, e. 58 km
Output (English): c