Task: Question Answering
Input (English): Problem: two interconnected , circular gears travel at the same circumferential rate . if gear a has a diameter of 80 centimeters and gear b has a diameter of 50 centimeters , what is the ratio of the number of revolutions that gear a makes per minute to the number of revolutions that gear b makes per minute ? 
Options: ['a ) 8 : 5', 'b ) 9 : 25', 'c ) 5 : 8', 'd ) 25 : 9', 'e ) can not be determined from the information provided']
Output (English): c