With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: U2 made an album called Yass.
text_B: Lana Gehring -LRB- born August 21 , 1990 in Chicago , Illinois -RRB- is an American short track speed skater .. American. United States of America. short track speed skater. Short track speed skating
not_related.