<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 significance of the pilgrimage to Mecca in Islam? Context: The pilgrimage to Mecca, known as Hajj, is a significant religious duty in Islam, and it symbolizes spiritual reflection, purification, and unity among Muslims worldwide. Answer: [/INST]The pilgrimage to Mecca, known as Hajj, is one of the Five Pillars of Islam and is a religious duty that must be carried out by every able-bodied Muslim at least once in their lifetime. It is a time of spiritual reflection, purification, and unity with fellow Muslims from around the world.</s>