Multi-choice problem: Continue writing the next sentence in this paragraph:

A tai chi instructor begins a stance routine and is seen shifting his weight to either leg multiple times before briefly returning to his original stance. He then begins a second routine that has him facing either direction for a brief period of time. he

Pick your answer from: [+] then dismounts from the posture and walks away from the stage.; [+] does this until he comes back to his original starting position before the video ends.; [+] is shown again walking back from the finish line and suddenly is seen.; [+] starts by walking into a water fountain and holding his arms up straight to indicate he is ready to perform effectively.;
does this until he comes back to his original starting position before the video ends.