Paragraph 1: Narrative
This paragraph tells a story about Jenny's decision to change her diet after discovering she had high blood pressure. It provides a sequence of events.
Paragraph 2: Commentary
This paragraph expresses an opinion or concern about a vegetarian diet. It discusses the potential benefits but raises worries about the lack of certain nutrients.
Paragraph 3: Evidence
This paragraph presents information from a study conducted in 2013, providing statistical evidence to support the idea that a vegetarian diet is associated with better health outcomes.