With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Carradine starred in the television series Kung Fu in the 1970s.
text_B: Vladislav Gussev -LRB- born 26 August 1986 in Tartu -RRB- is an Estonian professional footballer .. Tartu. Tartu. footballer. football ( soccer ). He plays the position of striker and is 1.97 m tall and weighs 86 kg .. striker. Striker ( association football ). He has played two games for the Estonia national football team .. Estonia. Estonia. Estonia national football team. Estonia national football team. In November 2008 , he was handed a two-year ban by the Estonian Football Association for attempts of match fixing .. Estonian Football Association. Estonian Football Association
not_related.