Natasha doesn't bat an eye at the arm. She is quietly studying it, but without looking directly at it - it reminds her of the Soldier's, which would make her smile if she weren't politely ignoring it. She's curious what a girl this age did to earn it; the look of the skin where the metal joins her body, along with her awkwardness about it, suggests it might be new.

"One lap around the park, outside the trees. Collision with a pedestrian is an automatic disqualification, and we'll meet back by... that bench?"