A contribution may pertain-to someone.Logical formLearned from13 sentences. Contributions can be to an event.Logical formLearned from13 sentences. A contribution may pertain-to a week.Logical formLearned from13 sentences. (Employer contributions) can be to (health insurance).Logical formLearned from13 sentences. A deduction can be for contributions.Logical formLearned from13 sentences. An (aggregate amount) may pertain-to contributions.Logical formLearned from13 sentences. A legality may pertain-to a contribution.Logical formLearned from13 sentences. A case can be against a (contribution activity).Logical formLearned from13 sentences. Persons may look to contributions.Logical formLearned from13 sentences. A (contribution activity) may pertain-to a US-president.Logical formLearned from13 sentences. A contribution may pertain-to a man.Logical formLearned from13 sentences. Contributions can be visible to a public.Logical formLearned from13 sentences. Some contributions can be to a company.Logical formLearned from13 sentences. Contributions can be from (oil industry executives).Logical formLearned from13 sentences. A contribution can be to dialogue.Logical formLearned from13 sentences.