A collaboration can be between a US-city.Logical formLearned from9 sentences. Collaboration can be with friend.Logical formLearned from9 sentences. Collaborations can be with academic institutions.Logical formLearned from9 sentences. A collaboration can be between an ensemble.Logical formLearned from9 sentences. A collaboration can be unified.Logical formLearned from9 sentences. A US-city may undergo a collaboration.Logical formLearned from9 sentences. Collaboration can be with an audience.Logical formLearned from9 sentences. Collaboration can be with a hospital.Logical formLearned from9 sentences. A male may start a collaboration.Logical formLearned from9 sentences. Collaboration may develop.Logical formLearned from9 sentences. Proof may pertain-to a collaboration.Logical formLearned from9 sentences. A collaboration may call.Logical formLearned from9 sentences. Issues may be related to collaboration.Logical formLearned from9 sentences. A male may release a collaboration.Logical formLearned from9 sentences. Collaboration can be with a research-council.Logical formLearned from9 sentences.