Are they teachers?
Yes, they are.
Are they vets?
No, they aren't
Are they vets?
Yes, they are
Are they teachers?
No, they aren't
Are they pupils?
Yes, they are
Are they pupils?
No, they aren't
Are they builders?
Yes, they are
Are they builders?
No, they aren't.
Are they waiters?
Yes, they are
Are they waiters?
No, they aren't
