Events may mark an anniversary of a massacre.Logical formLearned from11 sentences. A speech may mark an anniversary.Logical formLearned from11 sentences. A nature may pertain-to an anniversary.Logical formLearned from11 sentences. An anniversary may pertain-to an (air force).Logical formLearned from11 sentences. An anniversary may pertain-to a poem.Logical formLearned from11 sentences. A trip can be for an anniversary.Logical formLearned from11 sentences. A medal can be in commemoration of an anniversary of a world-city.Logical formLearned from11 sentences. An anniversary may pertain-to a faith.Logical formLearned from11 sentences. An anniversary may pertain-to a video-game.Logical formLearned from11 sentences. A channel may celebrate an anniversary.Logical formLearned from11 sentences. An anniversary may pertain-to a channel.Logical formLearned from11 sentences. An anniversary may pertain-to a service-agency.Logical formLearned from11 sentences. An anniversary may pertain-to a province.Logical formLearned from11 sentences. An anniversary may pertain-to a railway.Logical formLearned from11 sentences. An anniversary may pertain-to a marathon.Logical formLearned from11 sentences.