A (court appeal) may fail.Logical formLearned from9 sentences. Some truces may fail.Logical formLearned from9 sentences. An international-political-entity may fail a time.Logical formLearned from9 sentences. An (alarm system) may fail.Logical formLearned from9 sentences. Some (mediation efforts) may fail in a war.Logical formLearned from9 sentences. A negotiation may fail.Logical formLearned from9 sentences. An offer may fail.Logical formLearned from9 sentences. Crews may fail.Logical formLearned from9 sentences. Attempts may fail in a legislature.Logical formLearned from9 sentences. Experts may fail.Logical formLearned from9 sentences. Attempts may fail over a year.Logical formLearned from9 sentences. Rivals may fail.Logical formLearned from9 sentences. (Wage negotiations) may fail.Logical formLearned from9 sentences. (Weekend talks) may fail.Logical formLearned from9 sentences. (Reconciliation efforts) may fail.Logical formLearned from9 sentences.