A contribution can be to lives of persons.Logical formLearned from11 sentences. A contribution may pertain-to a voluntary sector.Logical formLearned from11 sentences. Contributions can be to newspaper.Logical formLearned from11 sentences. Contributions can be to public education.Logical formLearned from11 sentences. Contributions can be from an university.Logical formLearned from11 sentences. A contribution can be an idea.Logical formLearned from11 sentences. Students may make a contribution.Logical formLearned from11 sentences. Contributions can be to an un.Logical formLearned from11 sentences. A contribution can be to a museum.Logical formLearned from11 sentences. A contribution may be expected.Logical formLearned from11 sentences. A strength may pertain-to contributions.Logical formLearned from11 sentences. Contributions can be to an agency.Logical formLearned from11 sentences. A contribution can be to an experiment.Logical formLearned from11 sentences. A contribution may pertain-to services.Logical formLearned from11 sentences. Contributions can be responsible.Logical formLearned from11 sentences.