Contributions may pertain-to a candidate.Logical formLearned from24 sentences. A contribution may have an impact.Logical formLearned from24 sentences. A contribution can be to the (world economy).Logical formLearned from24 sentences. Contributions may pertain-to a book.Logical formLearned from24 sentences. Contributions can be by students.Logical formLearned from24 sentences. A contribution can be to a strategy.Logical formLearned from24 sentences. Contributions may pertain-to teachers.Logical formLearned from24 sentences. Contributions can be to a conference.Logical formLearned from24 sentences. (Campaign contributions) may play a role.Logical formLearned from24 sentences. A contribution can be constituted-of-or-filled-with troops.Logical formLearned from24 sentences. Contributions can be to peacekeeping.Logical formLearned from24 sentences. A description may pertain-to a contribution.Logical formLearned from24 sentences. Persons may pay contributions.Logical formLearned from24 sentences. A contribution can be to an experience.Logical formLearned from24 sentences. Contributions can be to a church.Logical formLearned from24 sentences.