There are three spinners containing only red and green slices.
Spinner A has 8 green slices and 12 red slices.All the slices are the same size.
Spinner B has 6 green slices and 6 red slices. All the slices are the same size.

Each spinner is spun.
List these events to least likely to most likely.

Event 1: spinner B lands on a purple slice.
Event 2: spinner A lands on a green slice.
Event 3: spinner B lands on a green slice.
Event 4: spinner A lands on a green or red slice.