2 twin beds that convert to 1 queen bed and 1 upper bed.
Third and fourth guests are accommodated by 1 double sleeper sofa (great for kids!).
2 twin beds that convert to 1 queen bed, 1 upper bed, and 1 trundle (pop-up) bed.
2 twin beds that convert to 1 queen bed, 1 upper bed, and 1 single sofa bed.