Ace saw the fight as he passed but he didn't stop, not wanting to get caught up in it at the moment. Z, however, did pause to observe the tussle. She glanced towards Tim, then signed, whether he saw it or not, "[i]She is a good fighter.[/i]" Whether what she said indicated that she knew or not was hard to tell. But it gave away that she knew enough to know that Tim had some form of correlation with Sparrow. Z then continued on after Ace without another 'word'.