A shape may ascend stairs.Logical formLearned from1 sentences. Captain may descend stairs.Logical formLearned from1 sentences. Captain may dash_down stairs.Logical formLearned from1 sentences. Boys may ascend stairs.Logical formLearned from1 sentences. A white woman may come_up stairs.Logical formLearned from1 sentences. A male may run_down stairs to persons.Logical formLearned from1 sentences. A female may peer over stairs.Logical formLearned from1 sentences. A male may go under stairs.Logical formLearned from1 sentences. A housekeeper may come to a head of stairs.Logical formLearned from1 sentences. A male may mount (iron stairs).Logical formLearned from1 sentences. Stairs can be to-night.Logical formLearned from1 sentences. A (free-for-all race) can be to a top of a flight of stairs.Logical formLearned from1 sentences. A stair can be rocky.Logical formLearned from1 sentences. Persons may gain a stair.Logical formLearned from1 sentences. A stair may undergo an imitation.Logical formLearned from1 sentences.