A contributor can be to a world-city.Logical formLearned from5 sentences. A contributor can be teen.Logical formLearned from5 sentences. Contributors can be to obesity.Logical formLearned from5 sentences. Leadership can be for contributors.Logical formLearned from5 sentences. Demand can be for training a contributor.Logical formLearned from5 sentences. Workshop may train contributors with competencies.Logical formLearned from5 sentences. A republic can be a contributor of (coalition forces).Logical formLearned from5 sentences. Black carbon can be a contributor to global warming.Logical formLearned from5 sentences. (Gossip contributor) may add fuel to a fire.Logical formLearned from5 sentences. A contributor may be based in a country.Logical formLearned from5 sentences. A note can be a contributor.Logical formLearned from5 sentences. Parents can be contributors.Logical formLearned from5 sentences. Some contributors can be responsible for a lawfulness of uploads.Logical formLearned from5 sentences. A (contributor base) may pertain-to persons.Logical formLearned from5 sentences. Touch can be with a contributor.Logical formLearned from5 sentences.