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

A series of many different videos begin and it includes footage from underwater with a snorkeler, many different sea life swimming and even an elephant swimming. the next set of clips

pick from the following. 1. are of various young people being water sman and they are interspersed with camera images.; 2. are from monkeys exploring the sea and stepping on rocks a to guide the way to their home, ocean life and numerous other monkeys walking on the water.; 3. include various different footage of people who are above water and the scenery around them.; 4. is of men using hands and carving on coral.;
The answer is:
3.