This document discusses relative pronouns in Dutch. It provides examples of when to use "who", "which", "that", and omitting the relative pronoun in Dutch sentences. It explains that "who" is used for people, "which" is used for things, and "that" can be used for both people and things. It also notes that the relative pronoun can be omitted if it is not the subject of the subordinate clause. The document provides practice examples and asks the reader to choose the correct relative pronoun or indicate it can be omitted.