Is he a pilot?
Yes he is
Is she a pilot?
No, she isn't
Is he a cook?
No, he isn't
Is she a cook?
Yes, she is
Is she a nurse?
Yes, she is
Is he a teacher?
No, he isn't
Is he a teacher?
Yes, he is
Is she a nurse?
No, she isn't
Is she a student?
Yes, she is
Is he a student?
No, he isn't
Is he a doctor?
Yes he is
Is she a teacher?
No, she isn't