Task: Question Answering
Input (English): Problem: two numbers are in the ratio of 2 : 3 . if 20 be subtracted from each , they are in the ratio of 10 : 17 . find the numbers ? 
Options: a ) 70,105 , b ) 60,88 , c ) 80,120 , d ) 60,84 , e ) 60,81
Output (English): a