A contribution can be to a continent.Logical formLearned from25 sentences. A contribution can be to recovery.Logical formLearned from24 sentences. A contribution can be in a fight.Logical formLearned from24 sentences. A contribution can be upward.Logical formLearned from24 sentences. Contributions can be from some nations.Logical formLearned from24 sentences. A contribution may pertain-to employees.Logical formLearned from24 sentences. A contribution can be to work.Logical formLearned from24 sentences. Contribution can be to science.Logical formLearned from24 sentences. A contribution can be to a celebration.Logical formLearned from24 sentences. A female may make a contribution.Logical formLearned from24 sentences. A contribution can be to a scene.Logical formLearned from24 sentences. A contribution can be to thinking.Logical formLearned from24 sentences. Contributions can be to a (scholarship fund).Logical formLearned from24 sentences. Contributions can be to a theory.Logical formLearned from24 sentences. (Employee contributions) can be voluntary.Logical formLearned from24 sentences.