<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:  How much water does a tomato plant need per week? Context: A tomato plant requires 1 to 2 inches of water per week. Answer: [/INST]A tomato plant needs about 1 to 2 inches of water per week.</s>