This is a test of commonsense with single/multi-choices. Complete the next sentence:

A group of people get off of a yellow school bus with life rafts around their neck and enter a foliage filled area leading to a body of water. a man on a motorized boat

[I] takes off from a dock then by helicopter is at the shorefront landing pad where they begin kayaking. [II] gets together in water and drinks a bottle of sunscreen skin. [III] goes through the water into and many trees, one of which looks like it is a swirling green leaf blower. [IV] talks to the camera while sitting on the edge of the inside of a boat in front of the boat steering wheel.
The answer is:
[IV]