Contributors can be experienced.Logical formLearned from15 sentences. A contributor can be to some presidential campaign.Logical formLearned from15 sentences. A contributor can be meaningful.Logical formLearned from15 sentences. A contributor can be to some political parties.Logical formLearned from15 sentences. A (campaign contributor) can be democratic.Logical formLearned from15 sentences. A contributor can be to professional journals.Logical formLearned from15 sentences. Money can be from contributors.Logical formLearned from15 sentences. A male can be (campaign contributor).Logical formLearned from15 sentences. A contributor can be to a team.Logical formLearned from15 sentences. A contributor can be to a book.Logical formLearned from15 sentences. A male can be a contributor to a success.Logical formLearned from15 sentences. A contributor may suggest that something-is-the-case.Logical formLearned from15 sentences. A contributor can be to revenues.Logical formLearned from15 sentences. A contributor can be periodic.Logical formLearned from15 sentences. Contributors can be to smog.Logical formLearned from15 sentences.