With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lady Gaga is from America.
text_B: Mayr-Harting is a surname .. Notable people with the surname include  :. Henry Mayr-Harting -LRB- born 1936 -RRB- , Regius Professor of Ecclesiastical History at the University of Oxford. Henry Mayr-Harting. Henry Mayr-Harting. Robert Mayr-Harting -LRB- 1874 -- 1948 -RRB- , Austrian-born Czechoslovak politician. Robert Mayr-Harting. Robert Mayr-Harting. Thomas Mayr-Harting -LRB- born 1954 -RRB- , English-born Austrian diplomat. Thomas Mayr-Harting. Thomas Mayr-Harting
not_related.