Task: Question Answering
Input (English): Problem: a man covers a distance on scooter . had he moved 3 kmph faster he would have taken 40 min less . if he had moved 2 kmph slower , he would have taken 40 min more . the distance is . 
Options: a ) 30 km , b ) 60 km , c ) 80 km , d ) 20 km , e ) 40 km
Output (English): e