history: The other day I saw a man take a dog from the street, I've been seeing that dog for a while and in a couple of days I see this dog on the streets again, poor little thing. The other day I saw a man take a dog from the street_comma_ I've been seeing that dog for a while and in a couple of days I see this dog on the streets again_comma_ poor little thing. I thought it'd have a better life. That's sad_comma_ I wonder why the dog can't find a home!
current: I don't know but it's a sweetheart, I'd take it myself if only I didn't have one already. 
next: Maybe the poor dog doesn't get along with other dogs.