A contribution can be negative.Logical formLearned from14 sentences. A contribution can be to profits.Logical formLearned from14 sentences. A project may make a contribution.Logical formLearned from14 sentences. A contribution can be to a role.Logical formLearned from14 sentences. Contributions can be to archaeology.Logical formLearned from14 sentences. A contribution can be energetic.Logical formLearned from14 sentences. Contribution can be to sustainable development.Logical formLearned from14 sentences. A contribution can be inventive.Logical formLearned from14 sentences. A contribution can be to a programme.Logical formLearned from14 sentences. A person may enjoy a contribution.Logical formLearned from14 sentences. Persons may expect contributions.Logical formLearned from14 sentences. Contributions may pertain-to supporters.Logical formLearned from14 sentences. (Campaign contributions) may pertain-to an industry.Logical formLearned from14 sentences. (Campaign contributions) can be from officers of corporations.Logical formLearned from14 sentences. Contributions can be to (leadership pacs).Logical formLearned from14 sentences.