A person may have keys.Logical formLearned from371 sentences. Keys can be spare.Logical formLearned from369 sentences. A person may leave keys.Logical formLearned from360 sentences. Some sets can be constituted-of-or-filled-with keys.Logical formLearned from359 sentences. A male can be a key.Logical formLearned from354 sentences. A key can be to survival.Logical formLearned from346 sentences. Education can be a key.Logical formLearned from330 sentences. Keys may undergo a use.Logical formLearned from330 sentences. A key can be to a city.Logical formLearned from311 sentences. A key may be pressed.Logical formLearned from303 sentences. A (room key) may pertain-to a person.Logical formLearned from302 sentences. A key can be to the future.Logical formLearned from302 sentences. A key can be to a city.Logical formLearned from299 sentences. A key can be given.Logical formLearned from297 sentences. A person may get keys.Logical formLearned from296 sentences.