Parents may undergo a (wedding anniversary).Logical formLearned from24 sentences. An (anniversary celebration) may pertain-to a birth.Logical formLearned from24 sentences. An anniversary may pertain-to a contract.Logical formLearned from24 sentences. A celebration may mark an anniversary.Logical formLearned from24 sentences. Some (year anniversary) may come_up.Logical formLearned from24 sentences. A month can be an anniversary of a death.Logical formLearned from24 sentences. An anniversary may pertain-to a play.Logical formLearned from24 sentences. An anniversary can be in (show business).Logical formLearned from24 sentences. An anniversary may pertain-to a moment.Logical formLearned from24 sentences. An anniversary may pertain-to an imprisonment.Logical formLearned from24 sentences. An anniversary may pertain-to an (air crash).Logical formLearned from24 sentences. An anniversary may pertain-to a fighting.Logical formLearned from24 sentences. An anniversary may pertain-to a king.Logical formLearned from24 sentences. Countries may mark an anniversary of attacks.Logical formLearned from24 sentences. An anniversary may pertain-to an intervention.Logical formLearned from24 sentences.