A male may contribute articles to magazines.Logical formLearned from16 sentences. Emissions may contribute to (air pollution).Logical formLearned from16 sentences. A failure may contribute to a death.Logical formLearned from16 sentences. A student may contribute.Logical formLearned from16 sentences. A person may contribute to a debate.Logical formLearned from16 sentences. Overcompensation may contribute to an epidemic.Logical formLearned from16 sentences. A party may contribute.Logical formLearned from16 sentences. Descendants of refugees may contribute to a (dna bank).Logical formLearned from16 sentences. A male may contribute an article to a website.Logical formLearned from16 sentences. An area of a brain may contribute to memories.Logical formLearned from16 sentences. A person may contribute to a life.Logical formLearned from16 sentences. A female may contribute to publications.Logical formLearned from16 sentences. A male of a washington-bureau may contribute to a report.Logical formLearned from16 sentences. Sales may contribute.Logical formLearned from16 sentences. Parents may contribute.Logical formLearned from16 sentences.