At that, Sai's eyes narrow, just a fraction. Kakashi-senpai's teammates...

Then his eyes go wide as he suddenly realizes just where it is he's heard that name, in relation to Hatake Kakashi-senpai's Sharingan, and his team. Before he joined ANBU.

His voice is still smooth as he only blinks. "So being kersplatted did not end in death," he observes, though he's studying the other far more carefully now.