Task: Question Answering
Input (English): Problem: a circular swimming pool is surrounded by a concrete wall 4 feet wide. if the area of the wall is 11 / 25 of the area of the pool, then the radius of the pool in feet is ?
Options: ['a. 22', 'b. 20', 'c. 9', 'd. 8', 'e. 1']
Output (English): b