Task: Question Answering
Input (English): Question: A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

 Option A: 95

 Option B: 92

 Option C: 88

 Option D: 82

 Option E: 90
Output (English): Option C