Please choose the correct ending to complete the given sentence: Playing rubik cube: The words "speed cubing 53 sec" appear on a black screen. a young man

Ending1: runs and jumps over a low barrier in a gym. Ending2: sits at a table and starts playing with a rubik's cube. Ending3: walks through a heavy set of glass doors. Ending4: walks casually through a residential area.

Answer format: ending1/ending2/ending3/ending4