There are small spray bottles all around Lighthaven. They contain water.

This market resolves Yes if Rach gets sprayed with water exactly once, and I get a picture, a video, or see it in person. If she reports getting sprayed more than once, it resolves No. (Coordinate!) It does not resolve Yes if I don't see it. (In-person, by picture, or by video all count.)

I plan to bet in this market.