Contributors may agree that something-is-the-case.Logical formLearned from14 sentences. Contributors may pertain-to a volume.Logical formLearned from14 sentences. A contributor can be to pollution.Logical formLearned from14 sentences. Persons can be contributors.Logical formLearned from14 sentences. Some contributors can be to work.Logical formLearned from14 sentences. A country can be a contributor of loans.Logical formLearned from14 sentences. A country can be among contributors.Logical formLearned from14 sentences. Contributors can be to a report.Logical formLearned from14 sentences. A contributor can be to a (peacekeeping force).Logical formLearned from14 sentences. Contributors to an index can be (stock prices).Logical formLearned from14 sentences. A contributor can be to a burden of disease.Logical formLearned from14 sentences. A contributor can be to a bank.Logical formLearned from14 sentences. Donations can be by contributors.Logical formLearned from14 sentences. A person can be among contributors.Logical formLearned from14 sentences. Contributors can be secret.Logical formLearned from14 sentences.