An anniversary may pertain-to an existence.Logical formLearned from40 sentences. An existence may undergo an ignorance.Logical formLearned from40 sentences. An existence may pertain-to secret prisons.Logical formLearned from40 sentences. An existence may pertain-to a government-agency.Logical formLearned from40 sentences. An existence may pertain-to problems.Logical formLearned from39 sentences. An existence may pertain-to a village.Logical formLearned from39 sentences. Word may pertain-to an existence.Logical formLearned from39 sentences. Aspects can be constituted-of-or-filled-with existence.Logical formLearned from39 sentences. A church can be in existence.Logical formLearned from39 sentences. The world may come into existence.Logical formLearned from39 sentences. A secret may pertain-to an existence.Logical formLearned from39 sentences. An existence may pertain-to children.Logical formLearned from39 sentences. Records may pertain-to an existence.Logical formLearned from39 sentences. A sign may pertain-to an existence.Logical formLearned from39 sentences. Programs can be in existence.Logical formLearned from39 sentences.