With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gong Yoo's birthday is not July 10, 1979.
text_B: Juan Carlos Rodriguez Vega -LRB- born 16 January 1944 -RRB- is a retired Chilean international football player .. Chilean international. Chile national football team. football. Association football
not_related.