An account may pertain-to a collaboration.Logical formLearned from18 sentences. Governments may undergo a collaboration.Logical formLearned from18 sentences. A male may describe a collaboration.Logical formLearned from18 sentences. Collaboration can be with chemists.Logical formLearned from18 sentences. An album may contain collaborations.Logical formLearned from18 sentences. A collaboration can be lasting.Logical formLearned from18 sentences. Collaborations can be with a singer.Logical formLearned from18 sentences. A collaboration may pertain-to a singer.Logical formLearned from18 sentences. A collaboration can be with a brother.Logical formLearned from18 sentences. A collaboration can be one-time.Logical formLearned from18 sentences. A collaboration can be intensified.Logical formLearned from18 sentences. Collaboration can be with professional organizations.Logical formLearned from18 sentences. Some degree can be constituted-of-or-filled-with collaboration.Logical formLearned from18 sentences. A collaboration can be high.Logical formLearned from18 sentences. An exhibition can be a collaboration.Logical formLearned from18 sentences.