A contributor can be to some periodicals.Logical formLearned from18 sentences. A male can be a contributor to a blog.Logical formLearned from18 sentences. Thanks can be to some contributors.Logical formLearned from18 sentences. A contributor can be productive.Logical formLearned from18 sentences. A contributor can be open-source.Logical formLearned from18 sentences. A contributor can be to a disease.Logical formLearned from18 sentences. A contributor can be on a team.Logical formLearned from18 sentences. A copy may pertain-to a contributor.Logical formLearned from18 sentences. An array can be constituted-of-or-filled-with contributors.Logical formLearned from18 sentences. (Guest contributors) may pertain-to persons.Logical formLearned from18 sentences. A contributor can be to a country.Logical formLearned from18 sentences. Contributors can be to some campaign.Logical formLearned from18 sentences. Contributors may pertain-to a group.Logical formLearned from18 sentences. Contributors can be charitable.Logical formLearned from18 sentences. A contributor may pertain-to a news-service.Logical formLearned from18 sentences.