Could you tell if an AI chatbot dumped you?

Washington Post - Technology News 

What a cold and heartless way to end things. You might feel this way if you have ever been dumped via text message. But what if your ex took it a step further and used an AI chatbot to craft their goodbye? Would you even be able to tell? Large language models, like the ones touted by AI companies like OpenAI, have quickly transformed the way we communicate.