Contributions can be to sciences.Logical formLearned from12 sentences. Contributions can be in some areas.Logical formLearned from12 sentences. A contribution can be to employment.Logical formLearned from12 sentences. Contributions can be to ties.Logical formLearned from12 sentences. A contribution can be to a democratization.Logical formLearned from12 sentences. An increase can be in a contribution.Logical formLearned from12 sentences. A contribution may pertain-to forces.Logical formLearned from12 sentences. A (troop contribution) can be in a country.Logical formLearned from12 sentences. Contributions can be by a company.Logical formLearned from12 sentences. A contribution can be to (peacekeeping efforts).Logical formLearned from12 sentences. Money can be (campaign contributions).Logical formLearned from12 sentences. A contribution can be responsible.Logical formLearned from12 sentences. (Campaign contributions) can be during a season.Logical formLearned from12 sentences. Donors may leave contributions on chairs.Logical formLearned from12 sentences. A contribution can be in exchange.Logical formLearned from12 sentences.