Please choose the correct ending to complete the given sentence: Kneeling: A man wearing grey shorts kneels down on a carpeted floor and begins stretching. The man moves his right leg under his hip and in front of his left knee. the man

Ending1: continues exercising his left leg. Ending2: is then sitting while he's exercising and putting a harness. Ending3: then begins looking comfortable about doing this and stretches. Ending4: begins to rock back and forth in a slow movement as he stretches.

Answer format: ending1/ending2/ending3/ending4