With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Darth Vader serves as the right hand of Emperor Palpatine.
text_B: The 20th season of The Bachelor premiered on January 4 , 2016 .. The Bachelor. The Bachelor ( U.S. TV series ). This season features 26-year-old Ben Higgins , a software salesman from Warsaw , Indiana .. Higgins attended Indiana University where he was graduated with a BS in business administration and management through the school of Public and environmental affairs -LRB- SPEA -RRB- .. Indiana University. Indiana University. In addition , he was also a member of Delta Upsilon 's Indiana chapter where he served as the vice president of external affairs .. He placed third on the 11th season of The Bachelorette featuring Kaitlyn Bristowe .. the 11th season. The Bachelorette ( season 11 ). The Bachelorette. The Bachelorette. Kaitlyn Bristowe. Kaitlyn Bristowe
not_related.