An existence can be tough.Logical formLearned from43 sentences. Some levels can be constituted-of-or-filled-with existence.Logical formLearned from43 sentences. An existence can be prolonged.Logical formLearned from43 sentences. An existence can be shared.Logical formLearned from43 sentences. An existence can be secret.Logical formLearned from42 sentences. An existence can be biological.Logical formLearned from42 sentences. An existence can be sustainable.Logical formLearned from42 sentences. An existence can be contingent.Logical formLearned from42 sentences. An existence may pertain-to an office.Logical formLearned from42 sentences. An existence can be transient.Logical formLearned from42 sentences. A town may come into existence.Logical formLearned from42 sentences. An existence can be monotonous.Logical formLearned from42 sentences. An existence may pertain-to a policy.Logical formLearned from42 sentences. Circumstances may pertain-to an existence.Logical formLearned from42 sentences. An existence may pertain-to a market.Logical formLearned from42 sentences.