With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Hartford has won an award.
text_B: Amanda Andrea Renteria -LRB- born November 15 , 1974 -RRB- is an American political aide who has worked for United States Senators Dianne Feinstein and Debbie Stabenow .. United States Senators. United States Senate. Dianne Feinstein. Dianne Feinstein. Debbie Stabenow. Debbie Stabenow. A member of the Democratic Party , Renteria is the first Latina Chief of Staff in the history of the U.S. Senate .. Democratic. Democratic Party ( United States ). Democratic Party. Democratic Party ( United States ). She was the Democratic nominee for the United States House of Representatives from California 's 21st congressional district in 2014 , but lost to incumbent Republican David Valadao .. California. California. Democratic. Democratic Party ( United States ). United States House of Representatives. United States House of Representatives. United States House of Representatives elections in California, 2014#District 21. Republican. Republican Party ( United States ). David Valadao. David Valadao
not_related.