With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Matt Kuchar plays on the PGA Tour.
text_B: 9 / 10 may refer to  :. September 10 -LRB- month-day date notation -RRB-. September 10. September 10. October 9 -LRB- day-month date notation -RRB-. October 9. October 9
not_related.