Today Anselm is three times as old as his brother Bartholomew, and Bartholomew is 4 years younger than his sister Catherine. If Anselm, Bartholomew, and Catherine are all alive 5 years from today, select which of the following must be true on that day?
I. Anselm is three times as old as Bartholomew
II. Catherine is 4 years older than Bartholomew
III. Anselm is older than Catherine