Its quite fun, here is another one doing the same, so you can get some more credits :D

https://create.starryai.com/

I don't know how it works, but it probably looks for tags on images, which contains certain keywords and then blends them together somehow, but its not completely random. 

Did this one using the words:

War, Darth Vader, Starwars

This one I wanted to try to trick it :D

Words:

Jellyfish  Popcorn  aliens  Moon  Cheese