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
In which of the following, Koebner phenomenon is NOT seen – 
Select and explain. 
A. Lichen planus, B. Lichen sclerosis, C. Erythema multiforme, D. Lichen simplex chronicus
D: Lichen simplex chronicus
Answer: D: Lichen simplex chronicus 
Explanation: None