There are two bags containing only purple and red marbles.
Bag A has 12 purple marbles and 4 red marbles.
Bag B has 14 purple marbles and 6 red marbles.

A marble is randomly chosen from each bag.
List these events from least likely to most likely.
Event 1: choosing a purple marble from Bag A.
Event 2: choosing a purple or red marble from Bag A.
Event 3: choosing a purple marble from Bag B.
Event 4: choosing a green marble from Bag B.