With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Katherine Heigl acted in a series co-produced by Jason Katims.
text_B: Louie Henri -LRB- 12 April 1864 -- 2 May 1947 -RRB- was an English singer and actress , best known for her many roles in the Savoy Operas with the D'Oyly Carte Opera Company .. Savoy Operas. Savoy Operas. D'Oyly Carte Opera Company. D'Oyly Carte Opera Company. She married Henry Lytton , who eventually became the company 's longstanding principal comedian .. Henry Lytton. Henry Lytton. Henri 's career got off to an early start when she joined Florence St. John 's Opera Company at the age of 15 , but she left that troupe to help start her husband 's acting career .. Florence St. John. Florence St. John. Together , they struggled to establish more secure careers in the theatre and eventually obtained steady employment in D'Oyly Carte touring companies .. Henri was promoted to play the leading mezzo-soprano roles in the Gilbert and Sullivan operas and the other productions of the company for about a decade .. mezzo-soprano. mezzo-soprano. Gilbert and Sullivan. Gilbert and Sullivan. However , in 1898 , after her husband became a principal player in the main company at the Savoy Theatre , Henri retired from the stage at the age of 34 .. Savoy Theatre. Savoy Theatre
not_related.