A flight can be constituted-of-or-filled-with stairs.Logical formLearned from4 160 sentences. A top may pertain-to stairs.Logical formLearned from3 645 sentences. Some flights can be constituted-of-or-filled-with stairs.Logical formLearned from3 332 sentences. A bottom may pertain-to stairs.Logical formLearned from1 702 sentences. A set can be constituted-of-or-filled-with stairs.Logical formLearned from1 183 sentences. A foot may pertain-to stairs.Logical formLearned from771 sentences. Stairs may pertain-to a male.Logical formLearned from625 sentences. Stairs may pertain-to a person.Logical formLearned from592 sentences. Stairs can be steep.Logical formLearned from476 sentences. Stairs can be wooden.Logical formLearned from468 sentences. Flights can be constituted-of-or-filled-with stairs.Logical formLearned from462 sentences. A person may fall_down stairs.Logical formLearned from376 sentences. A person may climb stairs.Logical formLearned from289 sentences. Stairs may pertain-to persons.Logical formLearned from278 sentences. A male may climb stairs.Logical formLearned from263 sentences.