Task: Question Answering
Input (English): Problem: the edge of a cube is 2 a cm . find its surface ? 
Options: a ) 23 a 2 cm 2 , b ) 84 a 2 cm 2 , c ) 64 a 2 cm 2 , d ) 24 a 2 cm 2 , e ) 14 a 2 cm 2
Output (English): d