Task: Question Answering
Input (English): Problem: a certain taxi company charges $ 2.50 for the first 1 / 5 of a mile plus $ 0.40 for each additional 1 / 5 of a mile . what would this company charge for a taxi ride that was 8 miles long ? 
Options: a ) 15.6 , b ) 18.1 , c ) 17.5 , d ) 18.7 , e ) 19.1
Output (English): b