A headquarters may pertain-to a center.Logical formLearned from54 sentences. A center may pertain-to a loaf.Logical formLearned from54 sentences. A (trade center) may undergo a bombing.Logical formLearned from54 sentences. A center can be for tourism.Logical formLearned from54 sentences. A (community center) may pertain-to a person.Logical formLearned from54 sentences. A center may pertain-to the economy.Logical formLearned from54 sentences. A person can be at a center of a scandal.Logical formLearned from54 sentences. A (command center) can be in a country.Logical formLearned from54 sentences. Interrogators can be at a (detention center).Logical formLearned from54 sentences. Dean may pertain-to a center.Logical formLearned from54 sentences. A building may pertain-to a center.Logical formLearned from53 sentences. Director may pertain-to an (information center).Logical formLearned from53 sentences. A center may open.Logical formLearned from53 sentences. A (shopping center) can be in a world-city.Logical formLearned from53 sentences. A network can be constituted-of-or-filled-with (research centers).Logical formLearned from53 sentences.