Educational institutions may remain closed.Logical formLearned from28 sentences. A disease may remain a problem.Logical formLearned from28 sentences. Investors may remain positive.Logical formLearned from28 sentences. A world-city may remain a place.Logical formLearned from28 sentences. A company may remain viable.Logical formLearned from28 sentences. Prices may remain low.Logical formLearned from28 sentences. A person may remain baffled.Logical formLearned from28 sentences. Persons may remain as friends.Logical formLearned from28 sentences. Tickets may remain valid.Logical formLearned from28 sentences. Some events may remain on a schedule.Logical formLearned from28 sentences. A market may remain steady.Logical formLearned from28 sentences. A person may remain in standing.Logical formLearned from28 sentences. An ability may remain uncertain.Logical formLearned from28 sentences. A person may remain in seclusion.Logical formLearned from28 sentences. Survival may remain in_doubt.Logical formLearned from28 sentences.