With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Richard III of England was a ruler.
text_B: Charlotte Blake Brown -LRB- 1846 -- 1904 -RRB- was one of the first female doctors to practice on the West Coast of the United States , and a co-founder of the San Francisco Hospital for Children and Training School for Nurses .. Born in Philadelphia , both her parents were from Brewer , Maine , and Charlotte was subsequently sent to attend high school in Bangor , Maine while living with relatives .. Philadelphia. Philadelphia. After that she entered Elmira College in New York , graduating in 1866 .. She married Henry Adams Brown , and in 1872 attended the Women 's Medical College of Philadelphia , graduating with an MD in 1874 .. Philadelphia. Philadelphia. She moved to San Francisco the following year , and founded the Pacific Dispensary for Women and Children with Dr. Martha Bucknell .. Pacific Dispensary for Women and Children. Pacific Dispensary for Women and Children. Martha Bucknell. Martha Bucknell. A third female physician , Dr. Sara E. Brown , subsequently joined them , and the institution was re-organized as the San Francisco Hospital for Children in 1878 .. Brown had lived in California once before .. Her father went to San Francisco at the height of the California Gold Rush in 1849 , and the family joined him in 1851 .. California Gold Rush. California Gold Rush. In 1854 they moved to Chile , where her father -LRB- a Presbyterian Minister -RRB- ran a mission for Scottish miners until 1854 , when they returned to Philadelphia .. Philadelphia. Philadelphia. Chile. Chile. Brown 's first application to join the San Francisco Medical Society was rejected on account of her gender .. In 1876 , however , she was one of four women admitted into the California Medical Society , causing the San Francisco physicians to re-consider and grant her membership two years later .. In 1880 Brown and her colleagues organized within their hospital the first nurses ' training school on the West Coast .. Brown wrote 18 articles for medical journals in addition to carrying on a busy practice , and raised three children , two of whom also became physicians .. Children 's Hospital merged with another institution to become California Pacific Medical Center in 1991 .. California Pacific Medical Center. California Pacific Medical Center
not_related.