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: Forensic Medicine
[{'content': 'Gas in great vessels of foetus indicate : \nSelect and explain. \nA. Fetal distress, B. Post mature fetus, C. Fetal death, D. Premature fetus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Fetal death', 'role': 'assistant'}]