A drop can be in contributions.Logical formLearned from41 sentences. A need can be for contributions.Logical formLearned from41 sentences. A contribution can be to earnings.Logical formLearned from41 sentences. Contributions can be conceptual.Logical formLearned from41 sentences. Contributions may have an impact.Logical formLearned from41 sentences. Contributions can be to a culture.Logical formLearned from41 sentences. Levels can be constituted-of-or-filled-with contributions.Logical formLearned from41 sentences. A contribution can be to agriculture.Logical formLearned from41 sentences. Contributions can be over some years.Logical formLearned from41 sentences. A result may pertain-to a contribution.Logical formLearned from41 sentences. Contributions may pertain-to a faculty.Logical formLearned from41 sentences. Contributions can be to relations.Logical formLearned from41 sentences. A contribution can be to date.Logical formLearned from40 sentences. A contribution can be minimal.Logical formLearned from40 sentences. An award can be for contributions.Logical formLearned from40 sentences.