A (security zone) can be closed.Logical formLearned from12 sentences. Frontiers can be closed.Logical formLearned from12 sentences. West can be closed.Logical formLearned from12 sentences. Supermarkets may remain closed.Logical formLearned from12 sentences. Hundreds of schools may remain closed.Logical formLearned from12 sentences. A (fishing area) can be closed.Logical formLearned from12 sentences. Some runways can be closed.Logical formLearned from12 sentences. (Border crossings) may remain closed.Logical formLearned from12 sentences. (Property funds) can be closed.Logical formLearned from12 sentences. A society can be closed.Logical formLearned from12 sentences. Financial markets can be closed.Logical formLearned from12 sentences. A third sector may remain closed to subsidiaries.Logical formLearned from12 sentences. A frontier can be closed.Logical formLearned from12 sentences. High schools may remain closed.Logical formLearned from12 sentences. A throat can be closed.Logical formLearned from11 sentences.