Task: Question Answering
Input (English): Problem: there is a square with side ‘ a ’ and one octagon is inscribed in it . what will be perimeter of octagon . 
Options: ['a ) 8 a / 3', 'b ) 7 a / 3', 'c ) 5 a / 3', 'd ) a / 3', 'e ) 11 a / 3']
Output (English): a