This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Plasma cell gingivitis is seen in individuals having the habit of chewing which of the following types of flavoured chewing gum? 
Select and explain. 
A. Peppermint flavoured, B. Clove flavoured, C. Cinnamon flavoured, D. Banana flavoured
C: Cinnamon flavoured
Answer: C: Cinnamon flavoured 
Explanation: None