With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The South Wales Valleys are in Italy.
text_B: The President 's Cup -LRB- informally known as the Final Four of College Chess -RRB- determines the U.S. college team chess champion .. Hosted in part by the United States Chess Federation -LRB- USCF -RRB- , the President 's Cup is an annual invitational team championship , open to the top four U.S. schools from the most recent Pan-American Intercollegiate Team Chess Championship -LRB- Pan-Am -RRB- .. United States Chess Federation. United States Chess Federation. Pan-American Intercollegiate Team Chess Championship. Pan-American Intercollegiate Team Chess Championship. It is run as a fixed-roster team round-robin tournament , scored by individual -LRB- not team -RRB- points .. round-robin tournament. round-robin tournament. The President 's Cup usually takes place in the first weekend of April .
not_related.