Contributions can be over some decades.Logical formLearned from16 sentences. Exchange can be for political contributions.Logical formLearned from16 sentences. A contribution can be to a course.Logical formLearned from16 sentences. Contributions may be received by a US-president.Logical formLearned from16 sentences. Contributions can be from a group.Logical formLearned from16 sentences. Contributions can be to a law.Logical formLearned from16 sentences. A (military contribution) may pertain-to a country.Logical formLearned from16 sentences. (Campaign contributions) can be from special interests.Logical formLearned from16 sentences. A link can be between contributions.Logical formLearned from16 sentences. A true source may pertain-to contributions.Logical formLearned from16 sentences. A contribution can be to tourism.Logical formLearned from16 sentences. Contributions may pertain-to an investor.Logical formLearned from16 sentences. Contributions can be to entertainment.Logical formLearned from16 sentences. (Campaign contributions) can be from corporations.Logical formLearned from16 sentences. A contribution may pertain-to a wife.Logical formLearned from16 sentences.