With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Matt Kuchar used to play on the Nationwide Tour.
text_B: Lilu may refer to  :. Lilu -LRB- ancient China -RRB- , a tribe or state in ancient China. Lilu -LRB- mythology -RRB- , a creature in Akkadian mythology. Lilu , Estonia , a village in Estonia
not_related.