What are they?
They're tigers.
What are they?
They're boys.
What is it?
It's a bear.
What is it?
It's a tiger.
What are they?
They're crocodiles.
What is it?
It's a bird.
What is it?
It's a crocodile.
What is it?
It's a hippo.
What are they?
They're birds.