A female may look_up stairs.Logical formLearned from5 sentences. Stairs may be blocked.Logical formLearned from5 sentences. Persons may climb a set of stairs.Logical formLearned from5 sentences. A female may hit stairs.Logical formLearned from5 sentences. Stairs can be dilapidated.Logical formLearned from5 sentences. Stairs may lead to a flat.Logical formLearned from5 sentences. A stair may pertain-to a staircase.Logical formLearned from5 sentences. A male may put a person on a (stair monster).Logical formLearned from5 sentences. A light can be on stairs.Logical formLearned from5 sentences. Stairs can be on the right.Logical formLearned from5 sentences. A person may go_down some stairs.Logical formLearned from5 sentences. A picture may show stairs.Logical formLearned from5 sentences. A person may dash_down stairs.Logical formLearned from5 sentences. A person may buy a stair brand.Logical formLearned from5 sentences. A sister may fall_down stairs.Logical formLearned from5 sentences.