Four laterally, vertically, diagonally = Trump Bronze Medal
Five = Trump Silver Medal
Six = Nobel Peace Prize
Ok, I'll be the one to nitpick. American-style bingo cards are 5x5, one for each letter in BINGO.
It doesn't really matter, except that the middle square is normally a free square, which is an opportunity for a joke. Like, "this is so guaranteed to happen, you just get it for free". So, "Trump does accordion hands gesture" or something.