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': 'Aminoacid sequence of hcG is 80% similar to \nSelect and explain. \nA. FSH, B. LH, C. GnRH, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Amino acid sequence of LH and hcG -\xa0β subunits demonstrates 80% similarity.', 'role': 'assistant'}]