Are they bears ?
Yes, they are .
Are they tigers ?
Yes, they are.
What are they ?
They are hippos.
What are they?
They are birds.
Are they crocodiles ?
Yes, they are.
Are they hippos ?
No, they aren't.
Are they birds?
Yes, they are.
Are they teachers ?
Yes, they are.
Are they builders ?
Yes, they are.
Are they vets?
No, they aren't.
Are they vets ?
Yes, they are.
Who are they?
They are waiters .
Who are they ?
They are pupils.
Is he a builder?
Yes, he is .
Is she a teacher ?
No, she isn't.
Who is he ?
He is a waiter .
