A conference may undergo an (opening ceremony).Logical formLearned from35 sentences. A (dedication ceremony) may be held.Logical formLearned from35 sentences. A ceremony can be an opportunity.Logical formLearned from35 sentences. A ceremony may be held under security.Logical formLearned from35 sentences. A ceremony may pertain-to an international-political-entity.Logical formLearned from35 sentences. A ceremony may pertain-to a week.Logical formLearned from35 sentences. A version may pertain-to a ceremony.Logical formLearned from35 sentences. A ceremony can be at a site.Logical formLearned from35 sentences. Ceremonies can be sombre.Logical formLearned from35 sentences. A ceremony may start at some a.m..Logical formLearned from34 sentences. An (inauguration ceremony) may take place.Logical formLearned from34 sentences. An accord may undergo a (signing ceremony).Logical formLearned from34 sentences. A master may pertain-to ceremonies.Logical formLearned from34 sentences. A ceremony may take place on a month.Logical formLearned from34 sentences. A ceremony can be at a house.Logical formLearned from34 sentences.