With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rod Laver was born on August 9, 1938.
text_B: Charles Elmer Sawyer , also known as Dr. C. E. Sawyer -LRB- January 24 , 1860 -- September 23 , 1924 -RRB- , was a homeopathic physician who was the longtime personal doctor to U.S. President Warren G. Harding and First Lady Florence Kling Harding .. homeopathic. homeopathic. Warren G. Harding. Warren G. Harding. First Lady. First Lady. Florence Kling Harding. Florence Kling Harding. Sawyer is often blamed in the matter of Harding 's death in 1923 .
not_related.