(Emergency physician) may spend a hour by running some flights of stairs.Logical formLearned from2 sentences. A person can be trapped under stairs.Logical formLearned from2 sentences. Persons may climb stairs to a floor.Logical formLearned from2 sentences. Stairs can be popular.Logical formLearned from2 sentences. A male may work on a (stair stepper).Logical formLearned from2 sentences. A person may build a set of stairs.Logical formLearned from2 sentences. A cream can be at a top of stairs.Logical formLearned from2 sentences. A female may arabesque_down stairs.Logical formLearned from2 sentences. A (wedding party) may walk_up stairs to a (circuit courtroom).Logical formLearned from2 sentences. Stairs may lead to a top.Logical formLearned from2 sentences. Stairs can be visible to Israeli troops.Logical formLearned from2 sentences. Injury can be on stairs.Logical formLearned from2 sentences. A scene can be at a top of stairs.Logical formLearned from2 sentences. Stairs may light.Logical formLearned from2 sentences. A light can be at a bottom of (cellar stairs).Logical formLearned from2 sentences.