Task: Question Answering
Input (English): Problem: two trains are moving in the same direction at 72 kmph and 36 kmph . the faster train crosses a girl sitting at window seat in the slower train in 32 seconds . find the length of the faster train ? 
Options: a ) 170 m , b ) 100 m , c ) 270 m , d ) 320 m , e ) 350 m
Output (English): d