Please choose the correct ending to complete the given sentence: Playing rubik cube: An official removes a piece of paper from on top of a cube as the young man in the black sweatshirt solves another cube. the young man

Ending1: continuously explains the process and solves the puzzle. Ending2: in the black clinch the cube until it is finished. Ending3: solves two more cubes in front of an official before moving to get up. Ending4: looks to the camera first and folds his arms while speaking to the camera.

Answer format: ending1/ending2/ending3/ending4