Task: Question Answering
Input (English): Problem: the diameter of the driving wheel of a bus in 140 cm . how many revolutions per minute must the wheel make in order to keep a speed of 11 kmph ? 
Options: a ) 21.23 , b ) 52.85 , c ) 23.26 , d ) 41.67 , e ) 25.15
Output (English): d