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': 'The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing? \nSelect and explain. \nA. Recovery stage, B. Recrystallisation stage, C. Grain growth stage, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]