Contributions can be to the economy.Logical formLearned from84 sentences. A contribution can be to an industry.Logical formLearned from84 sentences. Contributions may undergo an appreciation.Logical formLearned from83 sentences. A contribution may be appreciated.Logical formLearned from83 sentences. A contribution may pertain-to research.Logical formLearned from83 sentences. A contribution can be online.Logical formLearned from83 sentences. A contribution may pertain-to a writer.Logical formLearned from83 sentences. A contribution can be to a show.Logical formLearned from83 sentences. A contribution can be high.Logical formLearned from83 sentences. Contributions can be experimental.Logical formLearned from83 sentences. Individuals may make contributions.Logical formLearned from82 sentences. Contributions can be to parties.Logical formLearned from82 sentences. Contributions can be to a development.Logical formLearned from82 sentences. Contributions can be tax-free.Logical formLearned from82 sentences. A contribution can be to (world peace).Logical formLearned from82 sentences.