Multi-select problem: How does the next paragraph end?

A boy in karate class bows before a performance. the boy

 (i) then flips multiple times to catch his balance as he prepares for a kick.. (ii) in karate suit begins to chase after and twirl around the students.. (iii) begins to stroke his cello, forming three and two.. (iv) performs a karate routine with hand scythes..
(iv)