A (peacekeeping mission) may fail.Logical formLearned from18 sentences. A government may fail in an obligation.Logical formLearned from18 sentences. A round of talks may fail.Logical formLearned from18 sentences. A round of (liberalisation talks) may fail.Logical formLearned from18 sentences. A wheel may fail.Logical formLearned from18 sentences. (Merger talks) may fail.Logical formLearned from18 sentences. Arbitration may fail.Logical formLearned from18 sentences. Some (peace efforts) may fail.Logical formLearned from17 sentences. Some players may fail (drug tests).Logical formLearned from17 sentences. An insurrection may fail.Logical formLearned from17 sentences. A hypothesis may fail.Logical formLearned from17 sentences. A development may fail.Logical formLearned from17 sentences. A transmitter may fail.Logical formLearned from17 sentences. An escape may fail.Logical formLearned from17 sentences. A year may fail.Logical formLearned from17 sentences.