Investigations can be closed.Logical formLearned from9 sentences. Mosques may remain closed.Logical formLearned from9 sentences. An (emergency session) can be closed.Logical formLearned from9 sentences. A (stadium roof) can be closed.Logical formLearned from9 sentences. An (university campus) can be closed.Logical formLearned from9 sentences. (Plastic bags) can be closed.Logical formLearned from9 sentences. A bourse can be closed.Logical formLearned from8 sentences. An exchange may remain closed.Logical formLearned from8 sentences. A (polling station) can be closed.Logical formLearned from8 sentences. A production can be closed.Logical formLearned from8 sentences. A hall can be closed.Logical formLearned from8 sentences. A (working session) can be closed.Logical formLearned from8 sentences. A (trading bloc) can be closed.Logical formLearned from8 sentences. A set can be closed.Logical formLearned from8 sentences. A logical system can be closed.Logical formLearned from8 sentences.