Task: Question Answering
Input (English): Problem: the area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is ? 
Options: ['a ) 0.35 cm 2', 'b ) 17.5 cm 2', 'c ) 8.75 cm 2', 'd ) 55 cm 2', 'e ) 50 cm 2']
Output (English): c