A ceremony may pertain-to last night.Logical formLearned from42 sentences. An (opening ceremony) may pertain-to an event.Logical formLearned from42 sentences. (Opening ceremonies) can be in a world-city.Logical formLearned from42 sentences. A ceremony can be in a month.Logical formLearned from42 sentences. A US-president may attend a (naturalization ceremony).Logical formLearned from42 sentences. A ceremony can be closed.Logical formLearned from42 sentences. A ceremony can be with a president.Logical formLearned from42 sentences. A ceremony can be ecumenical.Logical formLearned from42 sentences. A ceremony may be set.Logical formLearned from42 sentences. A president may preside_over a ceremony.Logical formLearned from41 sentences. A ceremony may be attended by a president.Logical formLearned from41 sentences. A speech can be at an (opening ceremony).Logical formLearned from41 sentences. An (installation ceremony) may pertain-to a male.Logical formLearned from41 sentences. A (memorial ceremony) can be annual.Logical formLearned from41 sentences. A ceremony can be at some p.m..Logical formLearned from41 sentences.