Task: Question Answering
Input (English): Problem: the length of the rectangular field is double its width . inside the field there is square shaped pond 5 m long . if the area of the pond is 1 / 8 of the area of the field . what is the length of the field ? 
Options: ['a ) 54', 'b ) 32', 'c ) 75', 'd ) 20', 'e ) 11']
Output (English): d