A person may like stairs.Logical formLearned from10 sentences. A male may stumble_down stairs.Logical formLearned from10 sentences. A female may climb_up stairs.Logical formLearned from10 sentences. Storage can be under stairs.Logical formLearned from10 sentences. Stairs may lead to an entrance.Logical formLearned from10 sentences. A stair can be that something-is-the-case.Logical formLearned from10 sentences. Stairs may pertain-to a mansion.Logical formLearned from10 sentences. A cut can be about stairs.Logical formLearned from10 sentences. Stairs may athwarthawse a freeboard.Logical formLearned from10 sentences. A male may race_down stairs.Logical formLearned from10 sentences. Someone may fall_down stairs.Logical formLearned from10 sentences. A stair can be in point of a quantity.Logical formLearned from10 sentences. Stairs may run.Logical formLearned from10 sentences. A country can be stairs.Logical formLearned from10 sentences. Rally may regard stairs.Logical formLearned from10 sentences.