Celebrations may mark an anniversary of a liberation.Logical formLearned from14 sentences. A year may mark an anniversary of diplomatic ties.Logical formLearned from13 sentences. Some countries may celebrate an anniversary of diplomatic ties.Logical formLearned from13 sentences. An anniversary may pertain-to an (embassy seizure).Logical formLearned from13 sentences. An anniversary may pertain-to a committee.Logical formLearned from13 sentences. An anniversary may pertain-to an (air force).Logical formLearned from13 sentences. Anniversary may pertain-to a birthday.Logical formLearned from13 sentences. An anniversary may pertain-to a (police force).Logical formLearned from13 sentences. An anniversary may pertain-to a (world organization).Logical formLearned from13 sentences. An anniversary may pertain-to a programme.Logical formLearned from13 sentences. A year can be an anniversary of a death.Logical formLearned from13 sentences. A weekend may celebrate an anniversary.Logical formLearned from13 sentences. A celebration can be on an anniversary.Logical formLearned from13 sentences. An anniversary may pertain-to a tornado.Logical formLearned from13 sentences. A newspaper may celebrate an anniversary.Logical formLearned from13 sentences.