Obviously both the AI program and the AI interrogator are not highly intelligent.
The intelligent response would have been to ask why such a silly question was expected to have an answer.
What are remarkably intelligent are some of the caustic comments at the Daily Mail site's article. Among them -- "If the end comes & you still have your phone, there's not much else you'll be able to do. I don't think ordering a pizza will be much of an option."
If AI were indeed AI, then it would have found the query an occasion to sell itself, as in "with AI, there will be no catastrophic end of the world until the sun supernovas. You've got plenty of time."
Solar micronovas are on an about a 12,000 year cycle.
The last one was about 12,000 years ago...