<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
Discuss the concept of "dark matter" and its role in the universe's structure.<end_of_turn>
<start_of_turn>model
Dark matter is a mysterious substance that does not emit or interact with electromagnetic radiation but exerts gravitational influence, playing a key role in the structure and expansion of the universe.<end_of_turn><eos>