<|im_start|>user
When cleaning a house, categorize each of the following as "useful" or "not useful": Broom, Mop, Vacuum, Sand, Dirt, Dust Pan, Food<|im_end|>
<|im_start|>assistant
Broom: Useful
Mop: Useful
Vacuum: Useful
Sand: Not Useful
Dirt: Not Useful
Dust Pan: Useful
Food: Not Useful<|im_end|>
