document: {"document":{"title":"na","text":"Science Careers registrants can change their communication options by clicking on My Science Careers/My Account. The above are examples of opt-in/opt-out options and are not intended to describe every option on the site. ","paragraphs":null,"sentences":null,"language":null},"classifications":[{"level":"document-Union","labels":["User Access, Edit and Deletion","User Choice/Control"],"label_definitions":null}]}