A contribution may pertain-to a nation.Logical formLearned from21 sentences. Contributions can be unparalleled.Logical formLearned from21 sentences. A request can be for contributions.Logical formLearned from21 sentences. A contribution may pertain-to an unit.Logical formLearned from21 sentences. A contribution can be to output.Logical formLearned from21 sentences. A contribution can be to government.Logical formLearned from21 sentences. A contribution can be low.Logical formLearned from21 sentences. A contribution may pertain-to mankind.Logical formLearned from21 sentences. A contribution can be quantitative.Logical formLearned from21 sentences. A lifetime can be constituted-of-or-filled-with contributions.Logical formLearned from21 sentences. Proportion can be to contributions.Logical formLearned from21 sentences. A male may acknowledge a contribution.Logical formLearned from21 sentences. Contributions can be to (information processing bottlenecks).Logical formLearned from21 sentences. A link can be between contributions.Logical formLearned from21 sentences. Contributions can be quality.Logical formLearned from21 sentences.