Task: Question Answering
Input (English): Problem: if a tire rotates at 400 revolutions per minute when the car is traveling 120 km / h , what is the circumference of the tire ? 
Options: ['a ) 7 meters', 'b ) 9 meters', 'c ) 8 meters', 'd ) 5 meters', 'e ) 3 meters']
Output (English): d