He pauses when she asks that. If she doesn't know the answer he certainly doesn't know how he could know.

"I don't know, kid. But I don't think you brought all these other people here."

It's true this doesn't look like the facilities at the lab. It doesn't look like anything they would engineer. They're all about slick white tile, glass, and chrome. This is pretty much a forest, and the clothing of many of the revelers match the theme.