Task: Question Answering
Input (English): Problem: in a rectangular axis system , what is the area of a parallelogram with the coordinates : ( 1,3 ) , ( 5,3 ) , ( 2,6 ) , ( 6,6 ) ? 
Options: a ) 21 . , b ) 12 . , c ) 35 . , d ) 49 . , e ) 52 .
Output (English): b