Communicatio in sacris, the Duke of Norfolk & ChatGPT

Having just subscribed to the ChatGPT service, I thought I would choose something rather obscure to test it out and try to answer a question I’ve been pondering for a while: Is the Duke of Norfolk’s participation in the coronation of the British monarch Communicatio in sacris?
What I’ve found is that you have to start with simple questions that build upon each other for best results. Here’s what ChatGPT “thinks”:
Is the Duke of Norfolk a Catholic?
ChatGPT: Yes, the Duke of Norfolk is traditionally Catholic.
What is the Catholic teaching: Communicatio in sacris?
ChatGPT: "Communicatio in sacris" refers to participation in non-Catholic religious services or sacraments. Catholic teaching traditionally restricts such participation to avoid implying a unity of faith that does not exist. The Church allows limited participation under certain conditions, such as for grave reasons or promoting Christian unity, but generally, Catholics should avoid it to uphold the integrity of their faith. …More