Task: Question Answering
Input (English): Problem: a train is moving at 4 / 5 of its usual speed . the train is 45 minutes too late . what is the usual time ( in hours ) for the train to complete the journey ? 
Options: a ) 1 , b ) 1.5 , c ) 2 , d ) 2.5 , e ) 3
Output (English): e