Task: Question Answering
Input (English): Question: Twenty eight meters of wire is available to fence off a flower bed in the form of a circular sector. What must the radius of the circle in meters be, if we wish to have a flower bed with the greatest possible surface area?

 Option A: 2√2

 Option B: 2√5

 Option C: 5

 Option D: 7

 Option E: none of these
Output (English): Option D