With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Agatha Christie died in 1979.
text_B: Jean-Pierre Morat -LRB- 18 April 1846 -- 25 July 1920 -RRB- was a French physiologist born in Saint-Sorlin , department Saone-et-Loire .. physiologist. physiologist. Saint-Sorlin. Saint-Sorlin. Saone-et-Loire. Saone-et-Loire. He studied medicine at Ecole de medecine de Lyon , traveling to Paris in 1873 , where he presented his dissertation-thesis on bone marrow , `` Contributions a l'etude de la moelle osseuse '' .. Lyon. Lyon. Paris. Paris. bone marrow. bone marrow. He remained in Paris for three years , working in the laboratory of Claude Bernard -LRB- 1813 -- 1878 -RRB- , of whom , Morat became a devoted disciple .. Paris. Paris. Claude Bernard. Claude Bernard. In Paris , he worked closely with veterinarian Henri Toussaint -LRB- 1847 -- 1890 -RRB- and physiologist Albert Dastre -LRB- 1844 -- 1917 -RRB- .. physiologist. physiologist. Paris. Paris. veterinarian. veterinarian. Henri Toussaint. Jean Joseph Henri Toussaint. Albert Dastre. Albert Dastre. With Toussaint , he collaborated on `` Les variations de l'etat electrique des muscles '' -LRB- Variations of the electrical state of muscles -RRB- , and with Dastre , he undertook extensive research of the sympathetic nervous system .. muscles. muscles. sympathetic nervous system. sympathetic nervous system. With Dastre , the `` Dastre-Morat Law '' is derived , a dictum which states that `` the vasoconstriction of the capillaries of the body surface is usually accompanied by vasodilation of the internal vessels , especially of the viscera , and vice-versa '' .. vasoconstriction. vasoconstriction. capillaries. capillaries. vasodilation. vasodilation. Following his years spent in Paris , he became an instructor of physiology at the faculty of medicine in Lille .. Paris. Paris. faculty of medicine in Lille. University of Lille. In 1882 he was appointed professor of physiology at the faculty of medicine in Lyon , a position he maintained until his retirement in 1916 .. Lyon. Lyon. faculty of medicine in Lyon. University of Lyon. In 1883 he was admitted to the Societe de biologie , and in 1904 was elected as a correspondent to the Academie de Medecine .. Societe de biologie. Societe de biologie. Academie de Medecine. Academie de Medecine. In 1916 he became a correspondent of the Academie des sciences .. Academie des sciences. Academie des sciences. Morat had a keen interest in the field of surgery , being credited for introducing a process of administering morphine and atropine to a patient prior to the administration of anesthesia .. surgery. surgery. morphine. morphine. atropine. atropine. anesthesia. anesthesia. Among his better known writings was the six volume `` Traite de physiologie '' -LRB- 1904 -RRB- , a work that was co-written with a former student of his , Maurice Doyon -LRB- 1869 -- 1934 -RRB- .
not_related.