Stairs may lead to a main building.Logical formLearned from3 sentences. Stairs can be to a door.Logical formLearned from3 sentences. A figure may come_down from stairs.Logical formLearned from3 sentences. Stairs may catch sight of a female.Logical formLearned from3 sentences. Stairs may pertain-to a structure.Logical formLearned from3 sentences. A person may find a male on stairs.Logical formLearned from3 sentences. Stairs may pertain-to concepts.Logical formLearned from3 sentences. Stairs can be empty.Logical formLearned from3 sentences. Stairs may pertain-to an (office building).Logical formLearned from3 sentences. A bannister can be on a stair.Logical formLearned from3 sentences. Stairs may lead to a (mahogany deck).Logical formLearned from3 sentences. Stairs can be with an occupant.Logical formLearned from3 sentences. A male may turn_back to stairs.Logical formLearned from3 sentences. A female may tumble_down some stairs.Logical formLearned from3 sentences. A female may love stairs.Logical formLearned from3 sentences.