Contributions can be to a theory.Logical formLearned from23 sentences. A contribution can be to an international-political-entity.Logical formLearned from23 sentences. A portion can be constituted-of-or-filled-with contributions.Logical formLearned from23 sentences. Contributions can be to a science.Logical formLearned from23 sentences. Contributions may pertain-to a book.Logical formLearned from23 sentences. Contributions can be biological.Logical formLearned from23 sentences. Contributions can be to communities.Logical formLearned from23 sentences. Persons can be grateful for a contribution.Logical formLearned from23 sentences. A contribution may pertain-to a deity.Logical formLearned from23 sentences. Contribution can be to community.Logical formLearned from23 sentences. Contributions can be to (election campaigns).Logical formLearned from23 sentences. Contributions can be to welfare.Logical formLearned from23 sentences. Persons may acknowledge contributions.Logical formLearned from23 sentences. A contribution can be small.Logical formLearned from23 sentences. Contributions may undergo an investment.Logical formLearned from23 sentences.