Task: Question Answering
Input (English): Problem: the area of sector of a circle whose radius is 12 metro and whose angle at the center is 30 ° is ?
Options: ['a. 35 m 2', 'b. 36 m 2', 'c. 37 m 2', 'd. 38 m 2', 'e. 40 m 2']
Output (English): c