Cooperation can be between countries.Logical formLearned from640 sentences. Cooperation can be in a field.Logical formLearned from637 sentences. Cooperation can be unprecedented.Logical formLearned from631 sentences. Persons may have cooperation.Logical formLearned from584 sentences. Cooperation can be in economy.Logical formLearned from582 sentences. Cooperation can be between countries.Logical formLearned from560 sentences. Cooperation can be expanded.Logical formLearned from544 sentences. Exchange can be for cooperation.Logical formLearned from538 sentences. Cooperation can be with authorities.Logical formLearned from535 sentences. Cooperation can be with partners.Logical formLearned from528 sentences. Cooperation may pertain-to some countries.Logical formLearned from524 sentences. Cooperation can be in science.Logical formLearned from514 sentences. Cooperation can be with an international community.Logical formLearned from511 sentences. Cooperation can be in energy.Logical formLearned from502 sentences. A model may show cooperation.Logical formLearned from497 sentences.