Task: Question Answering
Input (English): Problem: two train 200 m and 150 m long are running on parallel rails at the rate of 40 kmph and 45 kmph respectively . in how much time will they cross each other , if they are running in the same direction ? 
Options: a ) 80 sec , b ) 252 sec , c ) 320 sec , d ) 330 sec , e ) none
Output (English): b