Contributions can be in forums.Logical formLearned from10 sentences. Contributions may pertain-to the world.Logical formLearned from10 sentences. Contributions can be to a course.Logical formLearned from10 sentences. A contribution can be to a college.Logical formLearned from10 sentences. A contribution can be to visual arts.Logical formLearned from10 sentences. Some contributions can be to a plan.Logical formLearned from10 sentences. A (contribution base) may pertain-to a plan.Logical formLearned from10 sentences. Contributions can be in some areas.Logical formLearned from10 sentences. A contribution can be to an objective.Logical formLearned from10 sentences. A contribution may pertain-to a generation.Logical formLearned from10 sentences. Contributions can be constituted-of-or-filled-with groups.Logical formLearned from10 sentences. A contribution may be accepted.Logical formLearned from10 sentences. A contribution can be to a life of a city.Logical formLearned from10 sentences. Persons may have a contribution.Logical formLearned from10 sentences. A contribution can be to a presidential campaign.Logical formLearned from10 sentences.