<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 definition of cognitive dissonance? Context: Cognitive dissonance is the mental discomfort from contradictory beliefs. Answer: [/INST]Cognitive dissonance is the mental discomfort experienced by a person who holds two or more contradictory beliefs, values, or attitudes simultaneously.</s>