With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Monarch of the Glen was broadcast on Discovery Channel.
text_B: Sun Chan is a U.S.-educated Hong Kong writer / director .. Hong Kong. Hong Kong. Shortly after the theatrical release of his first feature film , Day of Redemption , more theaters had to be arranged to play the film in order to accommodate the audience .. Day of Redemption. Day of Redemption. Sun Chan also wrote and directed IQIYI 's original series The Substitute .. IQIYI. IQIYI. The Substitute. The Substitute ( original series ). The show aired on November 29 , 2015 , on the Chinese streaming service iQIYI .. It received 4,320,000 hits within 4 hours of release , and 200 million hits by the time episode 15 was released .. Prior to his creative ventures , Sun had studied Economics at Yale University and worked as a brand management specialist at Burson-Marsteller .. Yale University. Yale University. Burson-Marsteller. Burson-Marsteller
not_related.