A contribution can be to knowledge.Logical formLearned from433 sentences. Contributions can be monetary.Logical formLearned from433 sentences. A contribution can be to a community.Logical formLearned from432 sentences. A contribution can be constructive.Logical formLearned from426 sentences. Contributions may be made.Logical formLearned from421 sentences. Contributions can be theoretical.Logical formLearned from415 sentences. Contributions can be welcome.Logical formLearned from409 sentences. A contribution can be to global warming.Logical formLearned from401 sentences. Contribution can be to a field.Logical formLearned from395 sentences. Contributions can be to a field.Logical formLearned from389 sentences. A percent may pertain-to contributions.Logical formLearned from387 sentences. Contributions can be lasting.Logical formLearned from385 sentences. A contribution can be to a field.Logical formLearned from373 sentences. A contribution can be decisive.Logical formLearned from361 sentences. Contributions can be to a fund.Logical formLearned from357 sentences.