<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 Heisenberg Uncertainty Principle? Context: The Heisenberg Uncertainty Principle states that the exact position and momentum of a particle cannot be known simultaneously. Answer: [/INST]The Heisenberg Uncertainty Principle states that it is impossible to simultaneously know the exact position and momentum of a particle.</s>