With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ron Swanson loves cats.
text_B: Castle Panic is a board game designed by Justin De Witt and published by Fireside Games in 2009. Fireside Games. Fireside Games. Justin De Witt. Justin De Witt. Castle Panic is tower defense strategy game .. The object of the game is to protect your castle from monsters .. While traditional games pit players against one another , this game has them working together .. This means if one fails they all fail .
not_related.