This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Larynx, Subject name: ENT
Epiglottis derived from which pharyngeal arch? 
Select and explain. 
A. 2, B. 3, C. 4, D. 6
C: 4
Answer: C: 4 
Explanation: Larynx 4th and the 6th arch fuse to form larynx. 4th arch derivatives are (Mnemonic - CuTE) Cuneiform Thyroid Epiglottis 6th arch derivatives are (Mnemonic - CoCAine) Corniculate Cricoid Arytenoid