With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The World Science Festival is a festival.
text_B: The World Science Festival is an annual science festival produced by the World Science Foundation , a 501 -LRB- c -RRB- -LRB- 3 -RRB- non-profit organization headquartered in New York City .. New York City. New York City. New York. New York. World Science Foundation. World Science Foundation. science festival. science festival. The foundation 's mission is to cultivate a general public informed by science , inspired by its wonder , convinced of its value , and prepared to engage with its implications for the future .
related.