A contribution can be to teaching.Logical formLearned from11 sentences. A contribution may pertain-to genes.Logical formLearned from11 sentences. A contribution may pertain-to a woman.Logical formLearned from11 sentences. Contributions may pertain-to a department.Logical formLearned from11 sentences. A group may make a contribution.Logical formLearned from11 sentences. A contribution can be to a demand.Logical formLearned from11 sentences. Contributions can be to a design.Logical formLearned from11 sentences. Political contributions can be by corporations.Logical formLearned from11 sentences. Appeals can be for contributions.Logical formLearned from11 sentences. A contribution can be to ensurring.Logical formLearned from11 sentences. Contributions can be indispensable.Logical formLearned from11 sentences. A contribution can be to a (freedom struggle).Logical formLearned from11 sentences. Contributions can be to a program.Logical formLearned from11 sentences. A contribution can be from a city.Logical formLearned from11 sentences. Contributions can be to groups.Logical formLearned from11 sentences.