With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pennsylvania Chronicle started expanding on January 6th, 1767.
text_B: Madrasi chess is a chess variant invented in 1979 by Abdul Jabbar Karwatkar .. chess variant. chess variant. Abdul Jabbar Karwatkar. Abdul Jabbar Karwatkar. The game uses the conventional rules of chess with the addition that when a piece is attacked by a piece of the same type but opposite colour -LRB- for example , a black queen attacking a white queen -RRB- it is paralysed and becomes unable to move , capture or give check .. rules of chess. rules of chess
not_related.