With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Boston Celtics play their home games at TD Garden in Boston.
text_B: Duane Wood -LRB- September 20 , 1937 - July 23 , 2012 -RRB- was a former college and professional American football cornerback .. American football. American football. cornerback. cornerback
not_related.