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

A group of kids are swimming in a pool. they

Options:
(1). catch seashell and put them on their hands..
(2). use windshields to move around..
(3). are shown tossing a ball back and forth in the water..
(4). are involved in a game of pool..
The answer is:
(3).