Task: Question Answering
Input (English): Problem: how many bricks each measuring 21 cm x 10 cm x 8 cm , will be needed to build a wall 9 m x 5 m x 18.5 m 
Options: a ) 4955 , b ) 4899 , c ) 4650 , d ) 7200 , e ) none of these
Output (English): a