A cause may remain a mystery.Logical formLearned from59 sentences. An outlook may remain favourable.Logical formLearned from59 sentences. A yield may remain at some percent.Logical formLearned from59 sentences. A proposal may remain on a table.Logical formLearned from59 sentences. A status may remain unresolved.Logical formLearned from59 sentences. Some races may remain a season.Logical formLearned from59 sentences. A male may remain sober.Logical formLearned from59 sentences. Sentiment may remain bearish.Logical formLearned from59 sentences. A face may remain impassive.Logical formLearned from59 sentences. Warnings may remain in effect.Logical formLearned from59 sentences. The world may remain silent.Logical formLearned from59 sentences. A situation may remain confused.Logical formLearned from59 sentences. A yuan may remain undervalued.Logical formLearned from59 sentences. (Peace talks) may remain deadlocked.Logical formLearned from59 sentences. A city may remain a capital.Logical formLearned from59 sentences.