Please choose the correct ending to complete the given sentence: Tai chi: We see the instructor of the class. The students sit a the teacher demonstrates. We see people working in pairs indoors on wrist movement. the people

Ending1: try to turn their hands. Ending2: also work side by side and arm to arm. Ending3: stand and the instructor talks to them on the ground. Ending4: are practicing with swords again.

Answer format: ending1/ending2/ending3/ending4