ARE THEY TEACHERS?
NO, THEY AREN'T
Who is she?
teacher
Who are they?
waiters
Are they pupils?
Yes, they are
Who are they?
Pupils
ARE THEY WAITERS?
YES, THEY ARE
Who is he?
Builder
WHO IS SHE?
SHE IS A VET
Who is he?
Waiter
Who is she?
Vet
ARE THEY WAITERS?
NO, THEY AREN'T