Please choose the correct ending to complete the given sentence: Playing rubik cube: He has several rubik's cubes in a row. He is timing himself as he attempts to solve the cube. he

Ending1: shakes his head as a then solves the cube in several quick seconds. Ending2: moves quickly, solving them in short time. Ending3: uses the timer to give him more minutes. Ending4: finishes and sets the watches timer.

Answer format: ending1/ending2/ending3/ending4