Please choose the correct ending to complete the given sentence: Doing kickboxing: Two guys stand in a boxing ring with their gloved hands covering their facial profiles . two guys

Ending1: kick a boxing high kick. Ending2: are boxing in a boxing ring. Ending3: then arm wrestle one another. Ending4: grip each other's hands and begin to take boxing stances.

Answer format: ending1/ending2/ending3/ending4