With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Oh Yeon-seo is a former member of a group.
text_B: Luis Gabriel Sacilotto Filho -LRB- born 18 March 1983 in Americana , Sao Paulo -RRB- is a Brazilian footballer who currently plays as a midfielder for the Italian club Lecce .. Americana. Americana, Sao Paulo. Sao Paulo. Sao Paulo ( state ). Lecce. U.S. Lecce. footballer. Association football. midfielder. midfielder
not_related.