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: Anatomy
Phrenic nerve chiefly supplies? 
Select and explain. 
A. Stomach, B. Diaphragm, C. Oesophagus, D. Ileum
B: Diaphragm
Answer: B: Diaphragm 
Explanation: None