Task: Question Answering
Input (English): Problem: a basketball player practices 2 hours a day monday through friday . how many hours must he practice saturday and sunday combined if he wants to practice an average ( arithmetic mean ) of 3 hours a day for the 7 day week ? 
Options: a ) 8 , b ) 9 , c ) 10 , d ) 11 , e ) 12
Output (English): d