Writing a comment using a neural network, how to implement?

Question

Machine learning

Hello. I want to implement a neural network for writing comments on posts in social networks.
There is an article that is on Habré
https://habr.com/ru/post/370777/
"The neural network was taught to write excellent reviews about cafes and restaurants"

I would like to know if there are any ready-made implementations of my idea or algorithms for implementing this idea? Thank you.