Existence may undergo an understanding.Logical formLearned from50 sentences. A value may pertain-to an existence.Logical formLearned from50 sentences. A male may deny an existence.Logical formLearned from49 sentences. An existence can be universal.Logical formLearned from49 sentences. An existence may pertain-to a virus.Logical formLearned from49 sentences. An existence may pertain-to a man.Logical formLearned from49 sentences. Proofs may pertain-to an existence.Logical formLearned from49 sentences. An existence may pertain-to a school.Logical formLearned from49 sentences. An existence can be meaningless.Logical formLearned from49 sentences. An existence may pertain-to a US-city.Logical formLearned from49 sentences. A system can be in existence.Logical formLearned from49 sentences. An existence can be necessary.Logical formLearned from48 sentences. An existence may pertain-to a daughter.Logical formLearned from48 sentences. Seasons may pertain-to an existence.Logical formLearned from48 sentences. An existence can be in question.Logical formLearned from48 sentences.