Issues may remain open.Logical formLearned from21 sentences. An attitude may remain positive.Logical formLearned from21 sentences. A land may remain above water.Logical formLearned from21 sentences. (Commodity prices) may remain high.Logical formLearned from21 sentences. A (housing market) may remain depressed.Logical formLearned from21 sentences. A female may remain beautiful.Logical formLearned from21 sentences. Persons may remain stuck.Logical formLearned from21 sentences. Deficits may remain high.Logical formLearned from21 sentences. A number of others may remain trapped.Logical formLearned from21 sentences. An environment may remain stable.Logical formLearned from21 sentences. A female may remain mute.Logical formLearned from21 sentences. A person may remain suspicious.Logical formLearned from21 sentences. A male may remain absent.Logical formLearned from21 sentences. A country may remain on a (terrorism blacklist).Logical formLearned from21 sentences. Effectiveness may remain controversial.Logical formLearned from21 sentences.