1. People have been reporting *sightings* of Nessie for years. (Other words: "The scenes in the movie were breathtaking.", "The sights of Paris are famous around the world.") 2. You have a vivid *imagination*. (Other words: "The fantasy world in the book was magical.", "The illusion was created with mirrors.") 3. The *investigators* are examining all the evidence. (Other words: "The spectators applauded loudly.", "The witnesses gave their testimony.") 4. We saw a set of *similar* pictures. (Other words: "The same rules apply to everyone.", "The twins looked alike.")