<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the concept of social stratification in sociology? Context: Social stratification in sociology categorizes individuals in society into different socioeconomic levels based on factors like wealth, income, education, and social power. Answer: [/INST]Social stratification refers to a society's categorization of people into socioeconomic tiers based on factors like wealth, income, education, and social power.</s>