With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The United States is located fully within the Northern Hemisphere.
text_B: The 2006 Toray Pan Pacific Open was a tennis tournament played on indoor carpet courts .. tennis. tennis. indoor carpet courts. Tennis court#Carpet courts. Toray Pan Pacific Open. Toray Pan Pacific Open. It was the 23rd edition of the Toray Pan Pacific Open , and was part of the Tier I Series of the 2006 WTA Tour .. Tier I. WTA Tier I Events. Toray Pan Pacific Open. Toray Pan Pacific Open. Tier I Series. WTA Tier I Events. 2006 WTA Tour. 2006 WTA Tour. It took place at the Tokyo Metropolitan Gymnasium in Tokyo , Japan , from January 27 through February 5 , 2006 .. Tokyo. Tokyo. Japan. Japan. Tokyo Metropolitan Gymnasium. Tokyo Metropolitan Gymnasium
not_related.