With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wiz Khalifa is a rapper.
text_B: Who Gets the Last Laugh ?. is an American hidden camera comedy television series that debuted April 16 , 2013 , on TBS .. TBS. TBS ( U.S. TV channel ). hidden camera. Reality television#Hidden cameras. The series pits some of the industries most well-known comedians vs. comedy actors against one another to see who can pull the most outrageous practical jokes .
not_related.