According to The Hill, Trump also seemed to forget the name of the building he sometimes works in (the White House) when he thanked 'all of the people who work so hard with Melania, everybody, to keep this incredible house, or building, or whatever you want to call it because there really is no name for it. It is special, and we keep it in tip-top shape. We call it sometimes ‘tippy-top’ shape. And it’s a great, great place.'”
You just can't make this stuff up.