Guys may contribute.Logical formLearned from26 sentences. (Carbon dioxide emissions) may contribute to global warming.Logical formLearned from26 sentences. A male may contribute a chapter.Logical formLearned from26 sentences. Players may contribute.Logical formLearned from26 sentences. Factors may contribute to a growth.Logical formLearned from26 sentences. A judgment can be in contributting to problems.Logical formLearned from26 sentences. Writer may contribute to a report.Logical formLearned from26 sentences. Al-haj may contribute to a report.Logical formLearned from26 sentences. An event may contribute to democracy.Logical formLearned from26 sentences. A male may contribute essays.Logical formLearned from25 sentences. A male may contribute a column.Logical formLearned from25 sentences. Some parts may contribute to a function.Logical formLearned from25 sentences. A person may contribute to fun.Logical formLearned from25 sentences. A community may contribute.Logical formLearned from25 sentences. A male may contribute to a female.Logical formLearned from25 sentences.