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

A camera pans over a roof and shows several people working and a man being interviewed. a man

Options are: I. speaks to the camera and rubs a matting over holes in the roof. II. talks to the camera and dances with the women. III. puts a wall onto the roof and applies cement on the sides. IV. sprays down a roof and shows the product used several times and the top of the roof.
IV.