Contributions can be to (war efforts).Logical formLearned from15 sentences. A person may learn about contributions.Logical formLearned from15 sentences. Contributions can be from products.Logical formLearned from15 sentences. A person may make a contribution to the world.Logical formLearned from15 sentences. A person may see contributions.Logical formLearned from15 sentences. A contribution can be noble.Logical formLearned from15 sentences. A contribution can be to (pop music).Logical formLearned from15 sentences. A contribution may pertain-to a generation.Logical formLearned from15 sentences. A contribution can be to a legacy.Logical formLearned from15 sentences. A selection may prevent persons from giving a contribution.Logical formLearned from15 sentences. A contribution can be to a class.Logical formLearned from15 sentences. A contribution may pertain-to a society.Logical formLearned from15 sentences. Contributions can be analytical.Logical formLearned from15 sentences. A contribution can be to environmental protection.Logical formLearned from15 sentences. An award may recognize a contribution.Logical formLearned from15 sentences.