The conversation between human and AI assistant.
[|Human|] Summarize the following text about dogs in 3-4 sentences.
[|AI|] Dogs have been present on the Earth for many centuries, originally domesticated from wolves. They are valued for their loyalty, companionship, and intelligence. Over time, their popularity has grown, serving in various roles, including as guardians and companions.
[|Human|] 
Summarize the following text about dogs in 3-4 sentences.