Cooperation can be effective.Logical formLearned from1 503 sentences. Cooperation can be with countries.Logical formLearned from1 496 sentences. A lack can be constituted-of-or-filled-with cooperation.Logical formLearned from1 258 sentences. Cooperation can be long-term.Logical formLearned from1 244 sentences. Cooperation can be between some sides.Logical formLearned from1 221 sentences. Cooperation can be in a fight.Logical formLearned from1 199 sentences. Cooperation can be in trade.Logical formLearned from1 125 sentences. A new era can be constituted-of-or-filled-with cooperation.Logical formLearned from1 121 sentences. Cooperation can be with an international-political-entity.Logical formLearned from1 097 sentences. Forms can be constituted-of-or-filled-with cooperation.Logical formLearned from1 066 sentences. Opportunities can be for cooperation.Logical formLearned from1 057 sentences. Cooperation can be comprehensive.Logical formLearned from1 009 sentences. Cooperation can be with a tribunal.Logical formLearned from1 008 sentences. Cooperation can be pragmatic.Logical formLearned from969 sentences. A level can be constituted-of-or-filled-with cooperation.Logical formLearned from920 sentences.