Which of the following races do participants run in? A marathon, a triathlon, an aqua bike?
A marathon and a triathlon
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which of the following races do participants run in? A marathon, a triathlon, an aqua bike?
### Input: 
### Response: A marathon and a triathlon