Please choose the correct ending to complete the given sentence: Playing ice hockey: Two adult men in helmets are teaching little boys how to play ice hockey. the boys

Ending1: gather in a circle, hitting their sticks on the ground. Ending2: hit the puck and prevent a penalty kick. Ending3: get hit by contact ball and fall on the ice. Ending4: lunge at the puck and push it back.

Answer format: ending1/ending2/ending3/ending4