https://www.reinhartlaw.com/news-insights/only-humans-can-be-authors-of-copyrightable-works

https://www.copyright.gov/comp3/chap300/ch300-copyrightable-authorship.pdf

A human must be involved in the creation. A human can combine non-human created things to make something new, but the human must be involved, and the non-human created elements likely lack protection themselves.