?
student
Is he a singer?
Yes, he is
?
driver
Is she a vet?
No, she isn't
Is she a doctor?
No, she isn't
?
police officer
?
singer
Is he a firefighter?
Yes, he is
Is she a nurse?
No, she isn't
?
pilot
?
doctor
?
firefighter
?
farmer
?
vet
?
teacher
?
dentist
?
nurse