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: Dental
[{'content': 'Amsel criteria does not include: \nSelect and explain. \nA. Thick, curdy white discharge, B. Clue cells, C. Whiff test positive, D. Vaginal pH >4.5', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Amsel criteria include thin, white homogenous discharge not thick discharge.\nOption b,c,d are included in Amsel criteria.\n3 out of 4 should be present to diagnose it as\xa0Bacterial vaginosis.', 'role': 'assistant'}]