It isn't much information to go on. Aqua wishes she had more to offer.

"Help each other survive," she finally admits. "There are two villages to the east of here, once we get above the surface again. One of them houses the majority of the population. As far as I can tell, everyone living in one of those villages was brought here against their will. It doesn't look like anyone knows how they got here, but we're all looking for a way home."