With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Constitution of Medina was written by Muhammad.
text_B: Constance Purdy -LRB- August 3 , 1887 -- April 1 , 1960 -RRB- was an American film actress and early vaudeville performer .. American. United States of America. film actress. film actress. vaudeville. vaudeville. Purdy was born and raised in Kansas , marrying vaudeville performer Wilbur Mack in her youth , with whom she became half of a husband and wife vaudeville performing team called `` Mack and Purdy '' .. vaudeville. vaudeville. Kansas. Kansas. Wilbur Mack. Wilbur Mack. They divorced soon after , with her continuing with vaudeville , and with Mack marrying vaudeville performer and future actress Nella Walker and forming the team `` Mack and Walker '' .. vaudeville. vaudeville. Nella Walker. Nella Walker. Purdy did not enter into film acting until 1934 , with her first appearance , uncredited , being in the film Pursued starring Rosemary Ames .. Rosemary Ames. Rosemary Ames. The 1930s saw her in only four film appearances , only one of which was credited , that being in the 1935 film Thunder in the Night , starring Edmund Lowe and Karen Morley .. Edmund Lowe. Edmund Lowe. Karen Morley. Karen Morley. Most of her film appearances were in the 1940s , with fifty film appearances from 1940 to 1949 , but of which only six were credited roles .. During the 1950s she had four film appearances , one of which was credited , and one television series appearance .. television series. television series. She appeared in a 1951 episode of the TV seriesThe Lone Ranger entitled `` Trouble at Black Rock '' .. She retired after 1952 , and was living in Los Angeles at the time of her death on April 1 , 1960 .. Los Angeles. Los Angeles, California
not_related.