Please choose the correct ending to complete the given sentence: Tai chi: An introduction comes onto the screen for a trailer about a martial arts movie. The trailer is then played showing several martial arts battles and other captions on the screen. the video

Ending1: ends with an item being shown on the screen briefly. Ending2: ends with the closing captions and graphics shown on the screen. Ending3: returns to the crowd clapping. Ending4: ends with the closing credits shown at the end.

Answer format: ending1/ending2/ending3/ending4