Please choose the correct ending to complete the given sentence: Playing water polo: A group of kids are swimming in a pool. they

Ending1: catch seashell and put them on their hands. Ending2: use windshields to move around. Ending3: are shown tossing a ball back and forth in the water. Ending4: are involved in a game of pool.

Answer format: ending1/ending2/ending3/ending4