Are platypuses mammals or oviparous?
Platypuses are both mammals (as they raise their off-springs with maternal milk) and oviparous (as they lay eggs).
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: Are platypuses mammals or oviparous?
### Input: 
### Response: Platypuses are both mammals (as they raise their off-springs with maternal milk) and oviparous (as they lay eggs).