When a tree falls on top of a self-driving car

A popular riddle that has been asked since at least the 1800s is whether a tree that falls in a forest will make a sound if there isn’t anyone around to hear it.

https://www.forbes.com/sites/lanceeliot/2020/11/05/when-a-tree-falls-on-top-of-a-self-driving-car/?sh=1d170dd178bd