At 11pm, all the houses in town switch on all their lights, opening all the doors and windows, setting the hillside ablaze in light.
None of the houses in town have their lights on at 11pm.
mnli hypothesis: None of the houses in town have their lights on at 11pm. premise: At 11pm, all the houses in town switch on all their lights, opening all the doors and windows, setting the hillside ablaze in light.