A wheelchair may climb stairs.Logical formLearned from36 sentences. A male may reach a bottom of stairs.Logical formLearned from34 sentences. A person may get to stairs.Logical formLearned from34 sentences. A male can be at a top of stairs.Logical formLearned from34 sentences. Guests may climb stairs.Logical formLearned from34 sentences. Stairs can be in a house.Logical formLearned from33 sentences. A female may reach a top of stairs.Logical formLearned from33 sentences. Stair may climb.Logical formLearned from33 sentences. A male can be on stairs.Logical formLearned from32 sentences. A foot may pertain-to a stair.Logical formLearned from32 sentences. A male may run stairs.Logical formLearned from32 sentences. A person may walk_up some flights of stairs.Logical formLearned from32 sentences. A bottom may pertain-to a stair.Logical formLearned from31 sentences. Persons may sit on stairs.Logical formLearned from31 sentences. Stairs can be starry.Logical formLearned from31 sentences.