With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Las Vegas is internationally renowned.
text_B: is the third single of the Hello !. Project group , W .. W ( group ). It was released on October 14 , 2004 , on the Zetima label , peaking at # 5 on the Oricon charts in Japan and charting for five weeks .. Zetima. Zetima. Oricon. Oricon. The Single V , released on November 17 , peaked at # 17 on the weekly charts and charted for three weeks .. Single V. Single V
not_related.