With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Miley Cyrus is a person.
text_B: The 2011 Cerveza Club Premium Open was a professional tennis tournament played on clay courts .. Cerveza Club Premium Open. Quito Challenger. tennis. tennis. clay courts. Tennis court#Clay courts. It was the 17th edition of the tournament which was part of the 2011 ATP Challenger Tour .. 2011 ATP Challenger Tour. 2011 ATP Challenger Tour. It took place in Quito , Ecuador between 17 and 23 October 2011 .. Quito. Quito. Ecuador. Ecuador
not_related.