Task: Question Answering
Input (English): Problem: what is the ratio of 5 / 7 to the product 3 * ( 7 / 3 ) ? 
Options: a ) 3 : 7 , b ) 1 : 3 , c ) 5 : 49 , d ) 1 : 7 , e ) 3 : 49
Output (English): c