Contributions may be submitted.Logical formLearned from11 sentences. Contributions can be to a workshop.Logical formLearned from11 sentences. Contributions can be to health of humankind.Logical formLearned from11 sentences. Contributions can be lengthy.Logical formLearned from11 sentences. Contribution can be to an economic growth.Logical formLearned from11 sentences. A contribution can be to studies.Logical formLearned from11 sentences. Contributions may be increased.Logical formLearned from11 sentences. A contribution can be from fixed investment.Logical formLearned from11 sentences. A contribution can be to a public good.Logical formLearned from11 sentences. A contribution can be to a problem.Logical formLearned from11 sentences. Contributions can be in a language.Logical formLearned from11 sentences. Contributions can be by developed nations.Logical formLearned from11 sentences. Persons may provide contributions.Logical formLearned from11 sentences. A contribution may pertain-to organizations.Logical formLearned from11 sentences. A contribution may be overstated.Logical formLearned from11 sentences.