document: {"document":{"title":"na","text":"There may be sites within the Smithsonian's network of Websites where you can opt-in to receive information from non-Smithsonian entities. If you opt-in, you may receive correspondence from these organizations on programs, products or services that might interest you. If you decide to opt-out of receiving any further correspondence from a non-Smithsonian entity, please correspond directly with that business or organization to be removed from its mailing list. ","paragraphs":null,"sentences":null,"language":null},"classifications":[{"level":"document-Majority","labels":["User Choice/Control"],"label_definitions":null}]}