Task: Question Answering
Input (English): Problem: excluding stoppages , the speed of a bus is 86 kmph and including stoppages , it is 76 kmph . for how many minutes does the bus stop per hour ? 
Options: a ) 7.5 min , b ) 16 min , c ) 20 min , d ) 7 min , e ) 40 min
Output (English): d