Contribution can be to an (entertainment field).Logical formLearned from9 sentences. A contribution can be to global security.Logical formLearned from9 sentences. Contributions can be to a (railway construction).Logical formLearned from9 sentences. Contributions can be to a (world peace).Logical formLearned from9 sentences. A contribution can be to (conflict resolution).Logical formLearned from9 sentences. A contribution can be to public health.Logical formLearned from9 sentences. Persons may consider a contribution.Logical formLearned from9 sentences. Contributions can be to social development.Logical formLearned from9 sentences. Contributions may be made by students.Logical formLearned from9 sentences. A government may pertain-to a contribution.Logical formLearned from9 sentences. Contributions can be to human civilization.Logical formLearned from9 sentences. A contribution may decrease.Logical formLearned from9 sentences. A contribution can be to an initiative.Logical formLearned from9 sentences. A contribution can be to a development of ties.Logical formLearned from9 sentences. Contributions can be in arrears.Logical formLearned from9 sentences.