A female may walk_up stairs to a bedroom.Logical formLearned from4 sentences. Stairs may pertain-to a shop.Logical formLearned from4 sentences. A male may climb (iron stairs).Logical formLearned from4 sentences. (Iron stairs) may link floors of a tower.Logical formLearned from4 sentences. (Iron stairs) can be painted.Logical formLearned from4 sentences. Difficulty can be with stairs.Logical formLearned from4 sentences. A US-president may come_down stairs to applause.Logical formLearned from4 sentences. A woman may fall on (basement stairs).Logical formLearned from4 sentences. A gunman may come_up stairs.Logical formLearned from4 sentences. A wife may rush_up stairs.Logical formLearned from4 sentences. Persons may go_down stairs.Logical formLearned from4 sentences. Stairs may hit a (leadoff homer).Logical formLearned from4 sentences. A male may limp_down stairs.Logical formLearned from4 sentences. Some stairs can be with some suspects.Logical formLearned from4 sentences. A pair of (roller skates) may sit at a bottom of stairs.Logical formLearned from4 sentences.