<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 a major chord? Context: A major chord is built using the 1st, 3rd, and 5th notes of the major scale. Answer: [/INST]A major chord is a chord that is built using the 1st, 3rd, and 5th notes of the major scale.</s>