{"id":"S94001701","label":"Challenger Type (Steam locomotives)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94001701","normalized_label":"challenger type (steam locomotives)","broader":["http://id.loc.gov/authorities/subjects/sh95009086"],"aliases":["Challenger (Locomotive)","Challengers (Steam locomotives)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94001701","provider":"lcsh","revision":"69eab3722a43f9ad","taxonomy_revision":"f050b5d4780b1289","title":"Challenger Type (Steam locomotives)","url":"/topics/S94001701","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9531947793418175008","address_version":"morton4x16-v1","coordinates":[0,22,26984,37888],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}