With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Christopher Columbus has only been to Spain.
text_B: Adolf Lorenz -LRB- 21 April 1854 -- 12 February 1946 -RRB- was an Austrian orthopedic surgeon who was a native of Weidenau , Austrian Silesia -LRB- today Vidnava , Czech Silesia -RRB- .. orthopedic surgeon. orthopedic surgeon. Austrian Silesia. Austrian Silesia. Vidnava. Vidnava. Czech Silesia. Czech Silesia. surgeon. surgeon. He studied medicine at the University of Vienna and subsequently worked as an assistant to surgeon Eduard Albert -LRB- 1841-1900 -RRB- in Vienna .. University of Vienna. University of Vienna. surgeon. surgeon. Eduard Albert. Eduard Albert. In 1901 he was one of the founders of the German Society of Orthopaedic Surgery .. He was the father of famed behavioralist Konrad Lorenz -LRB- 1903-1989 -RRB- .. behavioralist. behavioralist. Konrad Lorenz. Konrad Lorenz. Adolf Lorenz is remembered for his work with bone deformities .. As a young surgeon during the 1880s , he developed a severe allergic skin reaction to carbolic acid , a compound that was used extensively in operating rooms .. surgeon. surgeon. allergic. allergy. carbolic acid. carbolic acid. Although the condition prevented him from performing traditional surgical operations , he continued in the medical profession as a `` dry surgeon '' , treating patients without cutting into skin or tissue .. surgeon. surgeon. Subsequently , he was given the nickname `` The Bloodless Surgeon of Vienna '' .. His techniques became known as bloodless surgery , reflecting his noninvasive techniques .. bloodless surgery. bloodless surgery. He was renowned for his treatment of congenital dislocation of the hip in children .. dislocation. dislocation ( medicine ). hip. hip. His technique involved putting the patient under light anesthesia , placing the child in a plaster spica cast in abduction , then using external rotation as the child matured .. anesthesia. anesthesia. plaster. plaster. spica cast. spica cast. abduction. abduction ( physiology ). Also , he added a specialized walking frame to give the patient a measure of mobility .. He created a manipulative treatment for club feet , a process that involved stretching or breaking the tendons , ligaments , and epiphyseal plates until the foot was properly aligned .. club feet. club foot. Once alignment was achieved , he applied a cast so that the foot healed in the corrected position .. Through the use of traction and pulleys , Lorenz developed a mechanism for treatment of scoliosis .. traction. traction ( orthopedics ). scoliosis. scoliosis. Due to his fame in orthopedics , he became acquainted with several dignitaries , including U.S. President Theodore Roosevelt .. Theodore Roosevelt. Theodore Roosevelt. During his travels in the United States , he gave an inspirational exhibition in Dallas , an exhibition that became a catalyst in the creation of the Texas Baptist Memorial Sanitarium , later known as the Baylor University Medical Center and Baylor Health Care System .. Dallas. Dallas
not_related.