Please choose the correct ending to complete the given sentence: Tai chi: The words "grandmaster huang sheng shyan" and "taiji push hands" appear on screen. several students

Ending1: are shown teaching how to surf surf. Ending2: stare off into the distance with expressions of _start_as though stunned at the world. Ending3: make sit ups while many watch. Ending4: individually approach the grandmaster attempting to fight him and are pushed back quickly.

Answer format: ending1/ending2/ending3/ending4