Which is a bird or fish: Yellow-legged gull, Yellowfin tuna
Yellowfin tuna is a fish, Yellow-legged gull 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: Yellow-legged gull, Yellowfin tuna
### Input: 
### Response: Yellowfin tuna is a fish, Yellow-legged gull is a bird