Task: Question Answering
Input (English): Problem: when positive integer x is divided by 10 , the quotient is y and the remainder is 3 . when 2 x is divided by 7 , the quotient is 3 y and the remainder is 1 . what is the value of 11 y – x ? 
Options: a ) 2 , b ) - 2 , c ) 3 , d ) - 3 , e ) 4
Output (English): a