With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rey Mysterio won the Royal Rumble.
text_B: Ekkasak Buabao -LRB- เอกศกด บวเบา , born May 11 , 1985 -RRB- , simply known as Ekk is a Thai professional footballer who plays as a Defender for Regional League Division 2 club Samut Sakhon .. Samut Sakhon. Samut Sakhon F.C.. Defender. Defender ( association football ). footballer. association football. Regional League Division 2. Regional League Division 2
not_related.