Task: Question Answering
Input (English): Problem: f and e are midpoints of ab and ad respectively . if the side of square abcd is 8 , what is the area of triangle cef ? 
Options: ['a ) 8 √ 2', 'b ) 9 √ 3', 'c ) 18', 'd ) 16 √ 2', 'e ) 24']
Output (English): e