Is he a teacher?
No, he isn't. He is a builder.
Is he a builder?
Yes, he is.
Is he a waiter?
No, he isn't. He is a builder.
Is she a teacher?
Yes, she is.
Is she a vet?
No, she isn't. She is a teacher.
Is he a waiter?
Yes, he is.
Are they waiters?
Yes, they are.
Are they pupils?
Yes, they are.
Are they waiters?
No, they aren't. They are pupils.
Are they vets?
Yes, they are.
Are they teachers?
No, they aren't. They are vets.
