A male may remain a person.Logical formLearned from40 sentences. Persons may remain true.Logical formLearned from40 sentences. A life may remain in danger.Logical formLearned from40 sentences. A status may remain unknown.Logical formLearned from40 sentences. An office may remain vacant.Logical formLearned from40 sentences. A cause of a blaze may remain under_investigation.Logical formLearned from40 sentences. Some roads may remain impassable.Logical formLearned from40 sentences. A market may remain quiet.Logical formLearned from40 sentences. A male may remain perfect.Logical formLearned from40 sentences. (Diplomatic missions) may remain in a country.Logical formLearned from40 sentences. (Polling stations) may remain open.Logical formLearned from40 sentences. A cause of an accident may remain under_investigation.Logical formLearned from40 sentences. Plans may remain unchanged.Logical formLearned from40 sentences. A city may remain quiet.Logical formLearned from40 sentences. A market may remain flat.Logical formLearned from40 sentences.