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': 'According to Piaget cognitive theory, Animism and constructivism are seen in: \nSelect and explain. \nA. Pre-operational stage., B. Sensorimotor stage., C. Concrete operational stage., D. Formal operational stage.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: • Animism and constructivism are seen in preoperational stage.\n• Ego-centrism is seen in concrete operation stage. ,\nNOTE: Symbolic play is seen in sensorimotor and pre-operational stage.', 'role': 'assistant'}]