Which is a bird or fish: Blackchin, Black redstart
Blackchin is a fish, Black redstart is a bird
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 is a bird or fish: Blackchin, Black redstart
### Input: 
### Response: Blackchin is a fish, Black redstart is a bird