Stairs may pertain-to a (garage apartment).Logical formLearned from2 sentences. A bottleneck can be at a top of stairs.Logical formLearned from2 sentences. A (color portrait) can be at a top of stairs.Logical formLearned from2 sentences. A (ransom note) can be on stairs.Logical formLearned from2 sentences. Stairs may pertain-to a patriarchate.Logical formLearned from2 sentences. Hundreds of persons may stumble_down stairs of a nightclub.Logical formLearned from2 sentences. Stairs may lead to a road.Logical formLearned from2 sentences. A drive may pertain-to stairs.Logical formLearned from2 sentences. A (stair climbing) may pertain-to a male.Logical formLearned from2 sentences. Women may block stairs.Logical formLearned from2 sentences. A male may walk_down stairs from a plane.Logical formLearned from2 sentences. Stairs may lead to a podium.Logical formLearned from2 sentences. A male may walk_down stairs from a (md-11 jet).Logical formLearned from2 sentences. High-school students may sit on stairs.Logical formLearned from2 sentences. Soldiers may run stairs.Logical formLearned from2 sentences.