[Maybe if she knew what the hell he could do, she'd back off. But as it stands, the kid literally just pulled put a folded paper which isn't all that threatening. Before actually starting to cut though, she decides maybe this would be something worth documenting. The "fingers" on her left hand begin to detach from her "hand" and form a digital screen. She uses her remaining thumb as a stylus to begin recording the "experiment."]

Your attempt at warning me has been noted. Your lack of presenting a visible threat has also been noted.

[She then looks to the screen.]

This is Peridot, documenting a study of human biology. Are humans capable of having additional limbs? Possibly, if their internal wiring is directed through the corrected routes. Beginning removal of original left arm to start the process. Subject, please contain your screaming, it will make the recording difficult.