(Campaign contributions) can be tainted.Logical formLearned from15 sentences. Contributions can be to a kernel.Logical formLearned from15 sentences. Contributions can be to a book.Logical formLearned from15 sentences. Contributions can be sporadic.Logical formLearned from15 sentences. Contributions may be reduced.Logical formLearned from15 sentences. A contribution can be to a US-president.Logical formLearned from15 sentences. Persons may look at contributions.Logical formLearned from15 sentences. A contribution can be from a fund.Logical formLearned from15 sentences. Persons can be interested in contributions.Logical formLearned from15 sentences. A reward can be for a contribution.Logical formLearned from15 sentences. Contributions can be to a family.Logical formLearned from15 sentences. An amount can be a contribution.Logical formLearned from15 sentences. A contribution can be to prosperity.Logical formLearned from15 sentences. An author may pertain-to a contribution.Logical formLearned from15 sentences. A contribution may begin.Logical formLearned from15 sentences.