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: Social & Preventive Medicine
[{'content': 'PE is a type of: September 2010 \nSelect and explain. \nA. Network analysis, B. Input output analysis, C. System analysis, D. Cost benefit analysis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Network analysis The Program (or Project) Evaluation and Review Technique/ PE, is a model for project management designed to analyze and represent the tasks involved in completing a given project. It is commonly used in conjunction with the critical path method or CPM.', 'role': 'assistant'}]