With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 21st was the day when Sophie Turner was born.
text_B: Alfons Maria Jakob -LRB- 2 July 1884 in Aschaffenburg / Bavaria -- 17 October 1931 in Hamburg -RRB- was a German neurologist who worked in the field of neuropathology .. Aschaffenburg. Aschaffenburg. Bavaria. Bavaria. Hamburg. Hamburg. neuropathology. neuropathology. neurologist. neurologist. He was born in Aschaffenburg , Bavaria and educated in medicine at the universities of Munich , Berlin , and Strasbourg , where he received his doctorate in 1908 .. Aschaffenburg. Aschaffenburg. Bavaria. Bavaria. medicine. medicine. Munich. Munich. Berlin. University of Berlin. Strasbourg. University of Strasbourg. During the following year , he began clinical work under the psychiatrist Emil Kraepelin and did laboratory work with Franz Nissl and Alois Alzheimer in Munich .. Munich. Munich. psychiatrist. psychiatrist. Emil Kraepelin. Emil Kraepelin. Franz Nissl. Franz Nissl. Alois Alzheimer. Alois Alzheimer. In 1911 , by way of an invitation from Wilhelm Weygandt , he relocated to Hamburg , where he worked with Theodor Kaes and eventually became head of the laboratory of anatomical pathology at the psychiatric State Hospital Hamburg-Friedrichsberg .. Hamburg. Hamburg. Wilhelm Weygandt. Wilhelm Weygandt. Theodor Kaes. Theodor Kaes. anatomical pathology. anatomical pathology. Following the death of Kaes in 1913 , Jakob succeeded him as prosector .. prosector. prosector. During World War I he served as an army physician in Belgium , and afterwards returned to Hamburg .. Hamburg. Hamburg. World War I. World War I. Belgium. Belgium. In 1919 he obtained his habilitation for neurology and in 1924 became a professor of neurology .. habilitation. habilitation. neurology. neurology. Under Jakob 's guidance the department grew rapidly .. He made significant contributions to knowledge on concussion and secondary nerve degeneration and became a doyen of neuropathology .. neuropathology. neuropathology. concussion. concussion. Jakob was the author of five monographs and nearly 80 scientific papers .. His neuropathological research contributed greatly to the delineation of several diseases , including multiple sclerosis and Friedreich 's ataxia .. multiple sclerosis. multiple sclerosis. He first recognised and described Alper 's disease and Creutzfeldt -- Jakob disease -LRB- named along with Munich neuropathologist Hans Gerhard Creutzfeldt -RRB- .. Munich. Munich. Hans Gerhard Creutzfeldt. Hans Gerhard Creutzfeldt. He gained experience in neurosyphilis , having a 200-bed ward devoted entirely to that disorder .. neurosyphilis. neurosyphilis. Jakob made a lecture tour of the United States -LRB- 1924 -RRB- and South America -LRB- 1928 -RRB- , of which , he wrote a paper on the neuropathology of yellow fever .. neuropathology. neuropathology. yellow fever. yellow fever. He suffered from chronic osteomyelitis for the last seven years of his life .. osteomyelitis. osteomyelitis. This eventually caused a retroperitoneal abscess and paralytic ileus from which he died following operation .. abscess. abscess. paralytic. Paralysis. ileus. ileus
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