Please choose the correct ending to complete the given sentence: Doing fencing: There's a man in a blue shirt walking into a tall building where there's an indoor fencing arena. he

Ending1: starts fencing three people that get in his way. Ending2: runs up to the fencing frame and looks at the fencing material. Ending3: walks into the arena and talks with two fencers. Ending4: goes back and forth through the ropes, exhibiting a unique technique of fencing while interacting with an opponent.

Answer format: ending1/ending2/ending3/ending4