text: Instead of repeating a noun in a paragraph, use pronouns to refer back to the person, place, or thing you are talking about.
  Some examples of pronouns are I, you, he, she, they, we, it, this, that, these, and those.
  Because pronouns refer back to their noun, they are often used to create coherence and flow in a paragraph.
  "The students are trying to understand the concept of relativity. It is not an easy theory."
  "The company has developed a new marketing strategy. They will introduce the idea next week at the conference."
  Begin by developing a tentative thesis statement. A statement that describes the topic and the direction you will take. Later you can come back and revise your thesis statement, but for now a tentative thesis statement will get you going. Continue reading Planning for a Problem-Solution Essay