Is the Touring Test the Most Difficult of Conversation?

In your eyes, what is the hardest part of conversation to solve for machines? I would say it's everything having to do with the non linguistic knowledge. In other words, you need to understand enough about the world in order to really interpret properly those sentences. These are interesting challenges for machine learning because they point in the direction of building systems that both understand how te will works and thi causal relationships in the world. You speak french. Yes, it's my mother tongue. It's one of the romance languages. Do you think it mayt be easier in french than it is in english? No, as independent of language.I would like to build systems that can use the same principles