[That's semantics, if semantics an officer would care about, but Papyrus won't argue the point. Not when Sans immediately follows it up with future plans - with actually sharing those plans. And the detail at the end, well, he jumps to a few conclusions.]

The I know what you did, so confess plan stuff? You know I'm a fan of it! [Having come up with it, he knows it's a great plan. Not foolproof, obviously, but great for his own morale.] But, with so many people with ghosts, looking for proof... I feel like, maybe, we should tell about your find.