With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alec Sokolow has worked with an American.
text_B: Ambroise Oyongo Bitolo -LRB- born 22 June 1991 -RRB- is a Cameroonian professional footballer who plays as a left back for the Montreal Impact in Major League Soccer .. Montreal Impact. Montreal Impact. footballer. association football. left back. Defender ( association football )#Full-back. Major League Soccer. Major League Soccer
not_related.