This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Human identification, Subject name: Forensic Medicine
Which among the following is relatively not a method of Identification in living individuals 
Select and explain. 
A. Spectrogram, B. Calligraphy, C. Gait analysis, D. Superimposition
D: Superimposition
Answer: D: Superimposition 
Explanation: #NAME?