Who's she?
She's a student.
Is she a mailman?
No, she isn't.
Is he a cook?
No, he isn't.
Who's she?
She's a nurse.
Who's she?
She's a teacher.
Is he a zookeeper?
No, he isn't.
Is she a cook?
No, she isn't.
Is he a pilot?
Yes, he is.
Is she a farmer?
Yes, she is.
Who's he?
He's a doctor.