A (peacekeeping force) may undergo a reinforcement.Logical formLearned from15 sentences. A (peacekeeping force) may remain as a buffer.Logical formLearned from15 sentences. Spokesman may pertain-to a (peacekeeping force).Logical formLearned from15 sentences. Employees may pertain-to a (joint peacekeeping force).Logical formLearned from15 sentences. A (peacekeeping operation) can be with some troops.Logical formLearned from15 sentences. A country can be a contributor to (peacekeeping missions).Logical formLearned from15 sentences. A (peacekeeping mission) may undergo a failure.Logical formLearned from15 sentences. A responsibility can be for peacekeeping.Logical formLearned from15 sentences. Soldiers can be in a (peacekeeping force).Logical formLearned from15 sentences. A peacekeeping can be civilian.Logical formLearned from15 sentences. A (peacekeeping force) can be unarmed.Logical formLearned from14 sentences. A history can be constituted-of-or-filled-with peacekeeping.Logical formLearned from14 sentences. A mission may pertain-to a (peacekeeping force).Logical formLearned from14 sentences. (Peacekeeping efforts) can be regional.Logical formLearned from14 sentences. (Peacekeeping forces) may undergo an expansion.Logical formLearned from14 sentences.