Is he a cook?
Yes, he is.
Is she a doctor?
Yes, she is.
Is he a waiter?
Yes, he is.
Is she a teacher?
No, she isn't. She is a singer.
Is she a ballerina?
Yes, she is.
Is he a police officer?
No, he isn't. He is a firefighter.
Is he a firefighter?
No, he isn't. He is a pilot.
Is she a cook?
No, she isn't. She's a teacher.
Is he a mechanic?
Yes, he is.
Is he a doctor?
No, he isn't. He is a vet.
Is she a waitress?
Yes, she is.
Is she a pilot?
No, she isn't. She is a police officer.