Some painkillers may contribute to an (overdose death).Logical formLearned from92 sentences. Countries may contribute.Logical formLearned from91 sentences. Editors may contribute to a report.Logical formLearned from91 sentences. (Polling director) may contribute to a report.Logical formLearned from90 sentences. A person may contribute to a list of contenders.Logical formLearned from88 sentences. (Greenhouse gases) may contribute to global warming.Logical formLearned from88 sentences. Factors may contribute to a decline.Logical formLearned from87 sentences. (News researcher) may contribute to a report.Logical formLearned from86 sentences. (Wire services) may contribute to a report.Logical formLearned from86 sentences. A male may contribute some goals.Logical formLearned from85 sentences. A person may contribute to a community.Logical formLearned from85 sentences. Employees may contribute.Logical formLearned from84 sentences. Medical conditions may contribute to a premium.Logical formLearned from83 sentences. Eds may contribute to a story.Logical formLearned from83 sentences. A person may contribute to society.Logical formLearned from78 sentences.