Contributors can be scholars.Logical formLearned from6 sentences. A contributor can be to a (war effort).Logical formLearned from6 sentences. A contributor can be to salinity.Logical formLearned from6 sentences. Teams can be constituted-of-or-filled-with contributors.Logical formLearned from6 sentences. A contributor can be to learning.Logical formLearned from6 sentences. A contributor can be to disease.Logical formLearned from6 sentences. Contributors may start.Logical formLearned from6 sentences. Contributors can be regional.Logical formLearned from6 sentences. Contributors can be constituted-of-or-filled-with pollutants.Logical formLearned from6 sentences. A campaign can be a contributor.Logical formLearned from6 sentences. Notes can be on contributors.Logical formLearned from6 sentences. Contributors can be open.Logical formLearned from6 sentences. Contributors can be to a course.Logical formLearned from6 sentences. A contributor can be to a military-or-other-action-organization.Logical formLearned from6 sentences. A contributor can be to (infant mortality).Logical formLearned from6 sentences.