Tell me whether this is a mammal or a bird: parrot, dolphin, dog, guinea pig, parakeet.
A dophin, dog, and guinea pig are mammals. A parrot and parakeet are birds.
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: Tell me whether this is a mammal or a bird: parrot, dolphin, dog, guinea pig, parakeet.
### Input: 
### Response: A dophin, dog, and guinea pig are mammals. A parrot and parakeet are birds.