<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 is the mental discomfort resulting from holding contradictory beliefs or attitudes. Answer: [/INST]Cognitive dissonance occurs when individuals hold conflicting beliefs or attitudes, leading to psychological discomfort.</s>