Task: Question Answering
Input (English): Problem: a brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 28 m * 2 m * 0.75 m ? 
Options: a ) 28000 , b ) 27908 , c ) 78902 , d ) 25000 , e ) 27991
Output (English): a