Airport may remain closed.Logical formLearned from50 sentences. A suspension may remain in force.Logical formLearned from50 sentences. An environment may remain challenging.Logical formLearned from50 sentences. The global economy may remain weak.Logical formLearned from50 sentences. Forces may remain in a country.Logical formLearned from50 sentences. Some minutes may remain in a match.Logical formLearned from50 sentences. An attitude may remain unchanged.Logical formLearned from50 sentences. A faith may remain strong.Logical formLearned from50 sentences. Concerns may remain high.Logical formLearned from50 sentences. A highway may remain closed.Logical formLearned from50 sentences. Questions may remain about an ability.Logical formLearned from50 sentences. A male may remain as prime minister.Logical formLearned from49 sentences. (Security forces) may remain on alert.Logical formLearned from49 sentences. Evidence may remain elusive.Logical formLearned from49 sentences. A male may remain in a state.Logical formLearned from49 sentences.