Is she a pilot?
Yes, she is.
Is she a policeman?
Yes, she is.
Is she a doctor?
Yes, she is.
Is she a doctor?
No, she isn't.
Is she a farmer?
Yes, she is.
Is he a pilot?
Yes, he is.
Is he a teacher?
No, he isn't.
Is he a policeman?
No, he isn't.
Is he a teacher?
Yes, he is.
Is she a farmer?
No, she isn't.
Is he a fireman?
Yes, he is.