Task: Question Answering
Input (English): Problem: 2 corner most boxes of a chess board ( diagonally opposite ) haven been cut out there ' s a rectangular block = 2 sqaures of chess board , how many such blocks can be placed on the chess board ? ” 
Options: a ) 27 , b ) 28 , c ) 29 , d ) 30 , e ) 31
Output (English): d