[Mercedes stares at Tom for a few moments, almost as if doesn't understand him, then her expression changes when she speaks a bit of attitude in her voice.]

I thought this game was capture the flag. So I do believe that we must find the flag in order to capture it. Besides... it will be more difficult for them to stop me if I'm in the air.

[Because she'll be in the air, and obviously she believes that is enough to make her a force to be reckoned with.

She then turns to Katara and nods.]

I agree with her plan.

[Thinking the matter is settled (because she says it is), she turns to take a step than leap into the air before her wings start flapping to raise her up so she can fly off down one path.]