Slope may rush_up stairs some steps.Logical formLearned from1 sentences. Slope may go_down stairs.Logical formLearned from1 sentences. (Oak stairs) may lead to a region.Logical formLearned from1 sentences. (Oak stairs) can be black.Logical formLearned from1 sentences. A latter may appear on stairs.Logical formLearned from1 sentences. A flight of stairs may be filled by a procession.Logical formLearned from1 sentences. A warder may descend (stone stairs).Logical formLearned from1 sentences. A person may slip (companion stairs).Logical formLearned from1 sentences. A person may step_up stairs.Logical formLearned from1 sentences. A male may go_up stairs with a toast.Logical formLearned from1 sentences. Stair may run_up after a female.Logical formLearned from1 sentences. Stairs can be in haste.Logical formLearned from1 sentences. Some body may come_down stairs with a tone.Logical formLearned from1 sentences. Feet may ascend stairs.Logical formLearned from1 sentences. Some one may come_up stair.Logical formLearned from1 sentences.