The conversation between human and AI assistant.
[|Human|] Which universe we are living today and how large the universe is?
[|AI|] Wow, that's a tough one, currently, we are living in the observational universe, which is 5% of the whole universe from the latest research. The universe we lives is 93 billion light-year in diameter.
[|Human|] 
Which universe we are living today and how large the universe is?