<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 are the symptoms of anxiety disorder? Context: Symptoms of anxiety disorder can include excessive worrying, restlessness, fatigue, and difficulty concentrating. Answer: [/INST]Symptoms can include excessive worrying, restlessness, fatigue, and difficulty concentrating.</s>