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