A circle can be closed.Logical formLearned from16 sentences. Recommendations can be closed.Logical formLearned from16 sentences. A connection can be closed.Logical formLearned from16 sentences. A trail can be closed.Logical formLearned from16 sentences. Sets can be closed.Logical formLearned from16 sentences. Some airports may be reported closed.Logical formLearned from16 sentences. A pipeline can be closed.Logical formLearned from16 sentences. A closed meeting may pertain-to a board.Logical formLearned from16 sentences. Primary schools may remain closed.Logical formLearned from16 sentences. Bakeries can be closed.Logical formLearned from16 sentences. Some major roads can be closed.Logical formLearned from16 sentences. Politics can be closed.Logical formLearned from16 sentences. (Bond markets) can be closed.Logical formLearned from16 sentences. Some (office buildings) may remain closed.Logical formLearned from16 sentences. A (selection process) can be closed.Logical formLearned from16 sentences.