With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Got a Girl is a duo.
text_B: Sarah Maria Couch -LRB- 1867-1946 -RRB- was an America missionary in Japan with the Reformed Church of America .. She served in Nagasaki at the Sturges Seminary -- a mission school for girls -- from 1892 -- 1912 .. When the school closed , Couch stayed in Nagasaki and continued her work as a missionary .. Couch retired from formal missionary work in 1937 , but continued to live in Nagasaki .. In 1941 , Couch was arrested and detained in a Tokyo internment camp during World War II .. She survived the war and returned to her home in Nagasaki , where she died in 1946 .
not_related.