A world-city may halt cooperation.Logical formLearned from11 sentences. Cooperation may be required.Logical formLearned from11 sentences. A country may halt (security cooperation).Logical formLearned from11 sentences. Cooperation can be with former soviet republics.Logical formLearned from11 sentences. A country may intensify cooperation.Logical formLearned from11 sentences. Cooperation can be between enemies.Logical formLearned from11 sentences. Cooperation can be guarded.Logical formLearned from11 sentences. Cooperation can be in (crime prevention).Logical formLearned from11 sentences. A form may pertain-to cooperation.Logical formLearned from11 sentences. Cooperation can be on (information technology).Logical formLearned from11 sentences. Success may depend on cooperation.Logical formLearned from11 sentences. A reference can be to cooperation.Logical formLearned from11 sentences. Cooperation may be based on common interest.Logical formLearned from11 sentences. Cooperation can be throughout a whole of a continent.Logical formLearned from11 sentences. Cooperation can be with monitors.Logical formLearned from11 sentences.