Persons may have a series of unresolved problems.Logical formLearned from2 sentences. Political questions may remain unresolved.Logical formLearned from2 sentences. A problem of a world-city may remain unresolved.Logical formLearned from2 sentences. A fate of a brother can be unresolved.Logical formLearned from2 sentences. A (budget deficit) can be unresolved.Logical formLearned from2 sentences. Big issues may be left unresolved by some years of (trade talks).Logical formLearned from2 sentences. Some (trade issues) may remain unresolved.Logical formLearned from2 sentences. Future of a continent may remain unresolved.Logical formLearned from2 sentences. A stalemate may remain unresolved.Logical formLearned from2 sentences. Divisions can be unresolved.Logical formLearned from2 sentences. Points of contention can be unresolved.Logical formLearned from2 sentences. A (development formulation) may remain unresolved.Logical formLearned from2 sentences. A debt to a country may remain unresolved.Logical formLearned from2 sentences. An insurgency can be unresolved.Logical formLearned from2 sentences. A (trade row) may continue unresolved.Logical formLearned from2 sentences.