With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Heather Watson is a professional athlete.
text_B: The Queen 's Award for Enterprise  : Sustainable Development -LRB- International Trade Export -RRB- -LRB- 2011 -RRB- was awarded on 21 April 2011 , by Queen Elizabeth II .. Queen Elizabeth II. Queen Elizabeth II. The following organisations were awarded this year .
not_related.