Write the next sentence in this paragraph:

A background with text pops up briefly. a tai chi instructor

Options are:
* begins a stance routine and is seen shifting his weight to either leg multiple times before briefly returning to his original stance..
* instructs on how to properly perform a tai chi routine on a balance beam..
* walks up to an exercise machine and grabs it..
* then appears and instructs a group about walking the youtube links..
begins a stance routine and is seen shifting his weight to either leg multiple times before briefly returning to his original stance.