Task: Question Answering
Input (English): Problem: the area of a rhombus is equal to the area of a square whose side length is 8 cm . if one of the diagonals is 16 cm what is the length of other diagonal ? 
Options: ['a ) 4', 'b ) 8', 'c ) 12', 'd ) 16', 'e ) 20']
Output (English): b