Task: Question Answering
Input (English): Problem: find the area of the square , one of whose diagonals is 3.8 m long ? 
Options: ['a ) 7.22 m ^ 2', 'b ) 3.86 m ^ 2', 'c ) 8.96 m ^ 2', 'd ) 2.68 m ^ 2', 'e ) 7.89 m ^ 2']
Output (English): a