Task: Question Answering
Input (English): Problem: two trains are moving in the same direction at 108 kmph and 36 kmph . the faster train crosses the slower train in 17 seconds . find the length of the faster train in meters . 
Options: a ) 270 m , b ) 340 m , c ) 310 m , d ) 350 m , e ) 327 m
Output (English): b