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: Pathology
Bird face can be found in all except: 
Select and explain. 
A. Bilateral TMJ ankylosis., B. Teacher Collins syndrome., C. Scleroderma., D. Pierre Robin syndrome.
C: Scleroderma.
Answer: C: Scleroderma. 
Explanation: scleroderma has mask like face.