They are / aren't police officers.
They are police officers.
They are / aren't police officers.
They aren't police officers.
They are / aren't soccer players.
They are soccer players.
They are / aren't soccer players.
They aren't soccer players.
They are / aren't firefighters.
They are firefighters.
They are / aren't firefighters.
They aren't firefighters.
They are / aren't bus drivers.
They are bus drivers.
They are / aren't bus drivers.
They aren't bus drivers.
Are they bus drivers?
Yes, they are.
Are they soccer players?
Yes, they are.
Are they soccer players?
No, they aren't. They are firefighters.
Are they firefighters?
Yes, they are.
Are they police officers?
No, they aren't. They are bus drivers.
