Task: Question Answering
Input (English): Problem: when positive integer k is divided by 5 , the remainder is 2 . when k is divided by 6 , the remainder is 5 . if k is less than 38 , what is the remainder when k is divided by 7 ? 
Options: a ) 2 , b ) 4 , c ) 3 , d ) 5 , e ) 6
Output (English): c