<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 does dehydration affect athletic performance? Context: Dehydration can have a negative impact on athletic performance, impairing strength, endurance, and physical and cognitive function. Answer: [/INST]Dehydration can impair performance by reducing strength, endurance, and overall physical and cognitive function.</s>