With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Conor McGregor is signed to a company.
text_B: Lisette Model -LRB- born Elise Amelie Felicie Stern ; November 10 , 1901 -- March 30 , 1983 -RRB- was an Austrian-born American photographer .. Primarily known for the frank humanism of her street photography , exact details of Model 's life remain unclear .. What is known is that she was well-known and respected in photographic communities during her life .. She taught at the New School for Social Research in New York from 1951 up until her death in 1983 with many notable students , the most famous of which was Diane Arbus .. Her work has been shown in numerous exhibitions and still resides in several permanent collections , including that of the National Gallery of Canada and the J. Paul Getty Museum .
not_related.