Kelley climbed a fence and went ice skating on a neighbor's recently dug pond, but she fell through a thin area into icy waters.

Kelley climbed a fence and went ice skating on a neighbor’s recently dug pond, but she fell through a thin area into icy waters. Kelley did not have permission to be on the property, and the neighbor did not even know that she was there. Is the neighbor liable for Kelley’s injuries?