This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pre Anesthetic Evaluation, Subject name: Anaesthesia
Among the following in which condition MMP grade IV can be seen: 
Select and explain. 
A. Large tongue, B. Postburn contracture neck, C. Fracture mandible, D. Tm joint ankylosis
A: Large tongue
Answer: A: Large tongue 
Explanation: All the options are predictors of difficult intubation but Mallampatti grading assess size of tongue with respect to oral cavity.