Are platypuses mammals or oviparous?
Platypuses are both mammals (as they raise their off-springs with maternal milk) and oviparous (as they lay eggs).
<START_INST>Are platypuses mammals or oviparous?<END_INST><START_CTX><END_CTX><START_A>Platypuses are both mammals (as they raise their off-springs with maternal milk) and oviparous (as they lay eggs).<END_A>