Factors may contribute to a demise.Logical formLearned from11 sentences. Factors may contribute to performance.Logical formLearned from11 sentences. Methods may contribute to reproductive health.Logical formLearned from11 sentences. A person may contribute to a well-being.Logical formLearned from11 sentences. A person may contribute to research.Logical formLearned from11 sentences. Persons may contribute talents.Logical formLearned from11 sentences. A person may contribute to a charity.Logical formLearned from11 sentences. Skills may contribute to a success.Logical formLearned from11 sentences. A writer may contribute to a report.Logical formLearned from11 sentences. A male may contribute to an understanding.Logical formLearned from11 sentences. A lack of backing may contribute to a failure of a round of talks.Logical formLearned from11 sentences. A currency may be blamed for contributting to (trade deficits).Logical formLearned from11 sentences. International community may contribute.Logical formLearned from11 sentences. Donors may contribute.Logical formLearned from11 sentences. Some rounds of (tax cuts) may contribute to a return to deficits.Logical formLearned from11 sentences.