Yup.It means: What's that? A cat walking and a dog. Yes. Is the horse running? No, the horse is swimming.
I forget why put put the yes in there. XD
Yes, I did.
DYK that Taylor Swift became famous through American Idol?
I thought so! i recognized most of the words, but couldn't put it together. I took an Italian 1 course in school last year, but I now have to learn Spanish at my new school.

No I didn't.
DYK that naked mole rats are immune to cancer?