My best guess for this question is to find good topic to talk about, and if your topic is too broad it may be hard to find information. So if your topic is too broad you have to do a lot of research, and find information that you thought made sense.
"<span>The door was red, with a small, brass handle in the middle." This is an objective sentence because it is stating facts. The other sentences are interpretations by the speaker. </span>