Nellie is listening, and she's actually stopped her awestruck starings to listen, and she nods at her sister's idea. It's actually a pretty good one. Anders seems to agree.

"Solona, that's brilliant! Cullen, you're not exactly in a position to swim with the armor and everything, so you could man the boat. A templar in a boat on the lake? It'd look like you were doing patrols. You could row around and meet us once we get across the water."