Cooperation can be voluntary.Logical formLearned from761 sentences. Cooperation can be in a region.Logical formLearned from759 sentences. Cooperation can be peaceful.Logical formLearned from743 sentences. Cooperation may undergo an expansion.Logical formLearned from732 sentences. Cooperation can be with a government.Logical formLearned from718 sentences. Cooperation can be civilian.Logical formLearned from714 sentences. Cooperation can be strong.Logical formLearned from713 sentences. A country may undergo cooperation.Logical formLearned from698 sentences. Agreements can be on cooperation.Logical formLearned from688 sentences. Cooperation can be between some nations.Logical formLearned from682 sentences. Cooperation can be with a company.Logical formLearned from675 sentences. Prospects can be for cooperation.Logical formLearned from674 sentences. Cooperation can be between a world-city.Logical formLearned from671 sentences. Cooperation can be among countries.Logical formLearned from666 sentences. Potential can be for cooperation.Logical formLearned from659 sentences.