Contributors can be in a field.Logical formLearned from3 sentences. A contributor can be constituted-of-or-filled-with personnel.Logical formLearned from3 sentences. Contributors can be to an environment.Logical formLearned from3 sentences. Contributors can be to wealth.Logical formLearned from3 sentences. Contributors can be known.Logical formLearned from3 sentences. Contributors can be to a fund.Logical formLearned from3 sentences. A contributor to a mass of a system can be a dark matter.Logical formLearned from3 sentences. Glaciers can be contributors to (sea rise).Logical formLearned from3 sentences. Contributors may undergo assistance.Logical formLearned from3 sentences. X-rays can be a contributor.Logical formLearned from3 sentences. A discussion may have some contributors.Logical formLearned from3 sentences. Contributors can be separated.Logical formLearned from3 sentences. Contributors may present a range of backgrounds.Logical formLearned from3 sentences. Contributors can be to a betterment of society.Logical formLearned from3 sentences. A contributor can be to pages of a newspaper.Logical formLearned from3 sentences.