Task: Question Answering
Input (English): Problem: at a certain bowling alley, it costs $ 0.50 to rent bowling shoes for the day and $ 1.25 to bowl 2 games. if a person has $ 12.80 and must rent shoes, what is the greatest number of complete games that person can bowl in one day ?
Options: a. 7, b. 8, c. 9, d. 19, e. 21
Output (English): d