A contributor can be to man-made global warming.Logical formLearned from3 sentences. Contributors may impose conditions on a use of forces.Logical formLearned from3 sentences. Contributors can be to hammer_outing some agreement.Logical formLearned from3 sentences. (Power stations) can be contributors.Logical formLearned from3 sentences. A world-city can be a contributor of troops.Logical formLearned from3 sentences. A meeting of contributors may be cancelled.Logical formLearned from3 sentences. A continent can be a contributor to profit.Logical formLearned from3 sentences. A contributor may be shooted dead.Logical formLearned from3 sentences. A contributor can be (sea surface temperature trends).Logical formLearned from3 sentences. A (campaign contributor) can be one-time.Logical formLearned from3 sentences. A (tourism industry) can be a contributor to the economy.Logical formLearned from3 sentences. A country can be some contributors to a budget.Logical formLearned from3 sentences. A country can be a contributor to (greenhouse gases).Logical formLearned from3 sentences. Contributors to growth can be (consumer spending).Logical formLearned from3 sentences. Contributors can be to (ground elements).Logical formLearned from3 sentences.