Some signs can be constituted-of-or-filled-with cooperation.Logical formLearned from17 sentences. Cooperation can be sensitive.Logical formLearned from17 sentences. Cooperation can be a buzzword.Logical formLearned from17 sentences. Cooperation can be in economic times.Logical formLearned from17 sentences. Cooperation can be with a rest of a continent.Logical formLearned from17 sentences. A person may call for international cooperation.Logical formLearned from17 sentences. An exercise may be aimed at improving cooperation.Logical formLearned from17 sentences. Efficiency may pertain-to cooperation.Logical formLearned from17 sentences. Cooperation can be in a region.Logical formLearned from17 sentences. Cooperation can be in (world affairs).Logical formLearned from17 sentences. Cooperation can be from opposition.Logical formLearned from17 sentences. An obstacle can be to cooperation.Logical formLearned from17 sentences. A world-city may suspend cooperation.Logical formLearned from17 sentences. (Market venues) may regard forms of cooperation.Logical formLearned from17 sentences. A prime minister may undergo cooperation.Logical formLearned from17 sentences.