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.
### Instruction: Tell me whether this is a mammal or a bird: parrot, dolphin, dog, guinea pig, parakeet.
### Context: 
### Answer: A dophin, dog, and guinea pig are mammals. A parrot and parakeet are birds.</s>