Task: Question Answering
Input (English): Problem: a can run 2 km distance in 2 min 20 seconds , while b can run this distance in 3 min 5 sec . . by how much distance can a beat b ? 
Options: a ) 900 m , b ) 500 m , c ) 120 m , d ) 180 m , e ) 190 m
Output (English): b