This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'The constriction in Ainhum develops usually at the interphalangeal joint of NOT RELATED -OHO \nSelect and explain. \nA. Great toe, B. Little toe, C. Thumb, D. Little finger', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Also known as Dactylolysis Spontanea is a painful constriction of the base of the fifth toe frequently followed by bilateral spontaneous autoamputation a few years later.', 'role': 'assistant'}]