The host poured the leftovers downstairs.

The property can be said that it is forbidden to pour leftovers downstairs next time, a reminder, and a second direct alarm.

The property can communicate and persuade first to see if it can be adjusted. If it's the same next time, you'll have to go directly to the police.

It is uncivilized to pour leftovers downstairs, and it also belongs to high-altitude throwing objects. Hitting people is a crime.