Task: Question Answering
Input (English): Problem: in a race of 1000 m , a can beat by 100 m , in a race of 800 m , b can beat c by 100 m . by how many meters will a beat c in a race of 400 m ? 
Options: a ) 122.9 m , b ) 127.5 m . , c ) 122.2 m , d ) 85 m , e ) 12289 m
Output (English): d