Task: Question Answering
Input (English): Problem: two trains of length 100 m and 200 m are 100 m apart . they start moving towards each other on parallel tracks , at speeds 90 kmph and 108 kmph . in how much time will the trains cross each other ? 
Options: a ) 80 / 8 , b ) 80 / 7 , c ) 80 / 5 , d ) 80 / 3 , e ) 80 / 11
Output (English): e