Stairs may be located at an end of a platform.Logical formLearned from5 sentences. A bottom may pertain-to (cellar stairs).Logical formLearned from5 sentences. A stair may lead to a second floor.Logical formLearned from5 sentences. Stairs may be left.Logical formLearned from5 sentences. A stair may undergo a use.Logical formLearned from5 sentences. A section may pertain-to stairs.Logical formLearned from5 sentences. Stairs can be to platforms.Logical formLearned from5 sentences. Stairs may pertain-to a school.Logical formLearned from5 sentences. A male may run_down a flight of stairs.Logical formLearned from5 sentences. Stairs may pertain-to a basement.Logical formLearned from5 sentences. Stairs can be in a foyer.Logical formLearned from5 sentences. Stairs can be to a landing.Logical formLearned from5 sentences. Stairs can be covered.Logical formLearned from5 sentences. A female may race_down stairs.Logical formLearned from5 sentences. A corner can be under stairs.Logical formLearned from5 sentences.