Task: Question Answering
Input (English): Problem: a tailor trims 6 feet from opposite edges of a square piece of cloth , and 5 feet from the other two edges . if 120 square feet of cloth remain , what was the length of a side of the original piece of cloth ? 
Options: a ) 20 , b ) 22 , c ) 24 , d ) 26 , e ) 28
Output (English): b