Please choose the correct ending to complete the given sentence: Doing kickboxing: A man and a woman are boxing in a gym. the man

Ending1: backs up and the woman falls. Ending2: keeps moving backward and the woman follows. Ending3: grabs the woman from behind by the hair and she rams him. Ending4: slows down as he moves his arms and grabs the woman's right arm.

Answer format: ending1/ending2/ending3/ending4