Please choose the correct ending to complete the given sentence: Playing rubik cube: He is timing himself as he attempts to solve the cube. He moves quickly, solving them in short time. he

Ending1: tries again, showing the cube corners and distances. Ending2: takes a break, breathing heavily from the effort. Ending3: clenches his fists with joy. Ending4: stops the cube and plays again.

Answer format: ending1/ending2/ending3/ending4