A person may contribute to a program.Logical formLearned from30 sentences. A male of a staff may contribute to an article.Logical formLearned from30 sentences. Emissions may contribute to (climate change).Logical formLearned from30 sentences. Some factors may contribute to a rise.Logical formLearned from30 sentences. Some members may contribute.Logical formLearned from30 sentences. Persons may contribute to society.Logical formLearned from30 sentences. El-magd may contribute to a report.Logical formLearned from30 sentences. A country may contribute to a (peace process).Logical formLearned from30 sentences. Persons may contribute to peace.Logical formLearned from30 sentences. (Government policy) may contribute to a free practice of religion.Logical formLearned from29 sentences. A male may contribute to some magazines.Logical formLearned from29 sentences. A person may contribute.Logical formLearned from29 sentences. An individual may contribute.Logical formLearned from29 sentences. A factor may contribute to an increase.Logical formLearned from29 sentences. A dollar may be contributed.Logical formLearned from29 sentences.