<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 cognitive dissonance? Context: Cognitive dissonance refers to the mental discomfort caused by contradictory beliefs, values, or attitudes held by an individual. Answer: [/INST]Cognitive dissonance is the mental discomfort or tension that occurs when a person holds two contradictory beliefs, values, or attitudes.</s>