Task: Question Answering
Input (English): Problem: calculate how long it will take a swimmer to swim a distance of 8 km against the current of a river which flows at 1.4 km / hr , given that he can swim in still water at 3 km / h 
Options: a ) 20 seconds , b ) 3 , c ) 4 , d ) 1 , e ) 5
Output (English): e