Contributors can be members.Logical formLearned from2 sentences. A school can be a contributor to a development of (business policy).Logical formLearned from2 sentences. Contributors can be to competitiveness.Logical formLearned from2 sentences. A contributor can be to a field of visual perception.Logical formLearned from2 sentences. A contributor can be to happiness.Logical formLearned from2 sentences. Administrators can be contributors.Logical formLearned from2 sentences. A manufacture of cement can be a contributor of (greenhouse gases).Logical formLearned from2 sentences. Contributors can be to knowledge.Logical formLearned from2 sentences. (Research psychologists) may become contributors to knowledge.Logical formLearned from2 sentences. A contributor can be to a report.Logical formLearned from2 sentences. Contributors can be to a state of knowledge.Logical formLearned from2 sentences. Contributors can be to cost.Logical formLearned from2 sentences. A contributor can be to an endangerment of (desert fish).Logical formLearned from2 sentences. Contributors can be to (calorie intakes).Logical formLearned from2 sentences. Contributors to a book may give a party reason.Logical formLearned from2 sentences.