"What's tug-of-war?" Kai asks, nonplussed. "We're not tugging on anything. We're just trying to cover the arena in more ink than the other team. Is it kind of like that?"

When Nita asks about water, she shifts from foot to foot. "Yeah, uh, I can't really. Touch it." She can have drinks, but being submerged in water is not something she can handle. She hadn't been paying attention in class when they were teaching that. Something about pressure?