K: I watched the national rugby team’s match at a HUB.
A: Oh, you watched it at a HUB? That sounds fun.
K: Yeah, it was actually pretty exciting!
A: Really? How was the game?
K: The final score was 50 to 15. It was a very high-scoring game.
A: Wow, that does sound fun.
K: Yeah, it really was.
that does sound fun：このdoesは助動詞で単に強調、意味はない