Some parties may contribute.Logical formLearned from19 sentences. A male may contribute on special teams.Logical formLearned from19 sentences. A fear may contribute to (dollar weakness).Logical formLearned from19 sentences. Persons may contribute to a campaign.Logical formLearned from19 sentences. Firms may contribute.Logical formLearned from19 sentences. Employees of a newspaper may contribute reporting.Logical formLearned from19 sentences. A news-service may contribute to an article.Logical formLearned from19 sentences. A factor may contribute to a success.Logical formLearned from19 sentences. A country may contribute to a reconstruction of a country.Logical formLearned from19 sentences. A chapter may be contributed by authors.Logical formLearned from19 sentences. Special correspondent may contribute from a world-city.Logical formLearned from19 sentences. A (history section) of an article may be contributed by a male.Logical formLearned from19 sentences. A factor may contribute to a decline.Logical formLearned from19 sentences. An increase may contribute to an increase.Logical formLearned from19 sentences. An employer may contribute an amount.Logical formLearned from19 sentences.