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

A boy stands from the bottom of a slide and walk away. other kids

Choose from: I. are standing with games set up when the man rides down and swings on the slide.; II. climb from the depths as a man stands in the middle of the slide holding a sign.; III. are shown walking with the rest of the kids and leads into several moves.; IV. slide on another slide in the playground.;
IV.