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

The camera follows several people on a walkway from a first person perspective. The camera shows sliding down a snowy slope from a first person perspective alongside others. the camera

Select from the following. [I] pans down the and onto each team in the area.. [II] shows the two walking along a roof with their long tubes as they travel then water flow and images of water descending or blowing are shown in slow motion as well as falling down or shining their shoes.. [III] continues to film from several angles.. [IV] shows sliding down a snowy slope from a first person perspective looking backwards..
[IV]