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
Tweed's triangle denotes: 
Select and explain. 
A. The position of maxilla and mandible to each other, B. The angle between the mandibular plane and mandibular incisors, C. Relationship between maxillary central and mandibular central incisor, D. Profile of an individual
B: The angle between the mandibular plane and mandibular incisors
Answer: B: The angle between the mandibular plane and mandibular incisors 
Explanation: None