Task: Question Answering
Input (English): Question: It costs $18 for the first 1/2 hour to rent a bike. After the first 1/2 hour it costs $10 per hour. If a certain customer uses the bike for 2 hours, how much will it cost him?

 Option A: $12

 Option B: $45

 Option C: $33

 Option D: $95

 Option E: $30
Output (English): Option C