A key can be to the future.Logical formLearned from42 sentences. A key can be to a society.Logical formLearned from42 sentences. A male may give a person a key.Logical formLearned from42 sentences. A female may find keys.Logical formLearned from42 sentences. A key can be to making money.Logical formLearned from42 sentences. A key can be to survival.Logical formLearned from42 sentences. Keys can be on a side.Logical formLearned from42 sentences. A key can be to problems.Logical formLearned from42 sentences. A sequence can be constituted-of-or-filled-with keys.Logical formLearned from42 sentences. A key can be to living.Logical formLearned from42 sentences. A key can be to management.Logical formLearned from42 sentences. A key can be to the past.Logical formLearned from42 sentences. A key can be to a deal.Logical formLearned from42 sentences. A private key may undergo a use.Logical formLearned from41 sentences. A key may be labelled.Logical formLearned from41 sentences.