They're ........................... . They aren't .............................
They're police officers. They aren't firefighters.
They're ........................... . They aren't .............................
They’re firefighters. They aren’t bus drivers.
They're ........................... . They aren't .............................
They're soccer players. They aren't police officers.
They're ........................... . They aren't .............................
They’re bus drivers. They aren't soccer players.