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': 'Stages of setting of GIC are? \nSelect and explain. \nA. Decomposition, migration, post set hardening, maturation., B. Migration, decomposition, maturation, post set hardening, C. Decomposition, post set hardening, migration, maturation, D. Decomposition, post set hardening, migration, maturation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]