it could be artificial intelligence
I recently returned from Russia, and now I am surprised how little I knew before about their culture. As for me, their nesting dolls are the best kind of dolls in the world. What could be better than a doll that contains six smaller copies? I bought at https://www.tresorsderussie.com/en/matryoshka-russian-nesting-dolls-xsl-350.html several copies for myself and all my friends.