The real Sato doesn't care too much. He's free now, he had a really fun fight, that's good enough. But it's not hard to twist it around for Satwo.
"It's suspicious how you just got away. Sure, you helped me, but you weren't willing to shoot any of the Guard, either. And then there's the matter of my escape. You didn't even try, did you?" The smile fades as his words go on, until there's nothing left but a blank expression, neutral and impassive. "What am I supposed to think about any of that, Firo?"
YEP...
"It's suspicious how you just got away. Sure, you helped me, but you weren't willing to shoot any of the Guard, either. And then there's the matter of my escape. You didn't even try, did you?" The smile fades as his words go on, until there's nothing left but a blank expression, neutral and impassive. "What am I supposed to think about any of that, Firo?"