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: Gynaecology & Obstetrics
[{'content': 'Cystic degeneration is seen commonly in \nSelect and explain. \nA. Submucous fibroid, B. Subserosal fibroid, C. Interstitial fibroid, D. Cervical fibroid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cystic degeneration is seen commonly seen in interstitial fibroid.', 'role': 'assistant'}]