A person can be grateful for contributions of writers.Logical formLearned from78 sentences. Contributions can be to some campaign.Logical formLearned from78 sentences. A contribution can be to a male.Logical formLearned from77 sentences. A contribution can be humanitarian.Logical formLearned from77 sentences. Contributions can be reduced.Logical formLearned from77 sentences. Contributions can be heavy.Logical formLearned from77 sentences. A contribution can be lifelong.Logical formLearned from76 sentences. Contributions can be important.Logical formLearned from76 sentences. An award may recognize contributions.Logical formLearned from76 sentences. A contribution can be yearly.Logical formLearned from76 sentences. A contribution may pertain-to an employee.Logical formLearned from76 sentences. (Campaign contributions) can be hefty.Logical formLearned from76 sentences. A contribution can be to a male.Logical formLearned from76 sentences. Contributions can be from researcher.Logical formLearned from76 sentences. A contribution can be to an organization.Logical formLearned from76 sentences.