This document contains a lesson on defining relative clauses and other grammar topics taught by Mr. Sulub at Somali National University. It defines defining relative clauses and lists the relative pronouns who, which, that, where, and whose. It also covers vocabulary about places, transport, and words meaning "make." The document provides examples and explanations of grammar points like consonant clusters, definite articles, using "both" and "neither," ending conversations, and giving reasons.