An (opening ceremony) may pertain-to yesterday.Logical formLearned from40 sentences. Preparation can be for a ceremony.Logical formLearned from40 sentences. A ceremony can be important.Logical formLearned from40 sentences. A (handover ceremony) can be in a world-city.Logical formLearned from40 sentences. (Program notes) may pertain-to a ceremony.Logical formLearned from40 sentences. A country may welcome scores of (world leaders) to an (opening ceremony).Logical formLearned from40 sentences. A ceremony may pertain-to tonight.Logical formLearned from40 sentences. A ceremony can be joyous.Logical formLearned from40 sentences. Officials can be at a ceremony.Logical formLearned from40 sentences. A ceremony may be attended by officials.Logical formLearned from40 sentences. A ceremony can be extravagant.Logical formLearned from40 sentences. A ceremony can be in a town.Logical formLearned from40 sentences. A (memorial ceremony) may pertain-to a weekday.Logical formLearned from40 sentences. A live broadcast may pertain-to a ceremony.Logical formLearned from40 sentences. An opening ceremony may pertain-to a festival.Logical formLearned from39 sentences.