generate questions: NARA's holdings are classed into "record groups" reflecting the governmental department or agency from which they originated. Records include paper documents, microfilm, still pictures, motion pictures, and electronic media.
What types of groups are NARA's holdings classified into? {sep_token} Each record group is classified based on what? {sep_token} Besides films and other non-static media, what type of media is classified into a group? {sep_token} Besides the general media and motion picture categories, which category contains media that is not static? {sep_token}