Task: Question Answering
Input (English): Problem: how long does a train 110 m long running at the speed of 72 km / hr takes to cross a bridge 136 m length ?
Options: a. 82.1 sec., b. 12.3 sec, c. 19.1 sec., d. 17.1 sec., e. 42.1 sec.
Output (English): b