Task: Question Answering
Input (English): Problem: the average ( arithmetic mean ) of 5 numbers is 5 . if 2 is subtracted from each of 4 of the numbers , what is the new average ? 
Options: a ) 3.4 , b ) 4.5 , c ) 6.2 , d ) 5.7 , e ) 6.9
Output (English): a