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: Surgery
While extracting a mandibular third molar, it is noted that the distal root is missing. The root tip is most likely in the: 
Select and explain. 
A. Submental space, B. Submandibular space, C. Para pharyngeal space, D. Pterygomandibular space
B: Submandibular space
Answer: B: Submandibular space 
Explanation: None