Task: Question Answering
Input (English): Problem: what is the area a of the square with the following coordinates: ( x, y ), ( 20, 20 ), ( 20, 5 ), ( x, 5 ) ?
Options: ['a. 60.', 'b. 85.', 'c. 125.', 'd. 225.', 'e. it can not be determined from the information given']
Output (English): d