[{"Bold_text": "noun", "List Items": ["Joseph (Rob·in·ette), Jr.[rob, -in-et],Joeborn 1942,U.S. politician: vice president 2009–17; 46th president of the United States since 2021.", "Jill Tracy Jacobs,born 1951,U.S. First Lady since 2021 (wife of Joseph Biden, Jr.)."]}]