A shield may fail.Logical formLearned from22 sentences. An objective may fail.Logical formLearned from22 sentences. Maneuvers may fail.Logical formLearned from22 sentences. Bills may fail.Logical formLearned from22 sentences. (Mediation attempts) may fail.Logical formLearned from22 sentences. Processes may fail.Logical formLearned from22 sentences. A person may fail a mission.Logical formLearned from22 sentences. A store may fail.Logical formLearned from22 sentences. A nuclear test may fail.Logical formLearned from22 sentences. A (road map) may fail.Logical formLearned from22 sentences. A (navigation system) may fail.Logical formLearned from22 sentences. Components may fail.Logical formLearned from22 sentences. A club may fail.Logical formLearned from22 sentences. A male may fail in school.Logical formLearned from22 sentences. Locks may fail.Logical formLearned from22 sentences.