What is a rocking chair?
A rocking chair has two long curved legs rather than four straight legs so that it rocks forward and backward.
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: What is a rocking chair?
### Input: 
### Response: A rocking chair has two long curved legs rather than four straight legs so that it rocks forward and backward.