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