With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ivan Lendl can't make a Grand Slam.
text_B: Alexander `` Alex '' Forrest -LRB- 2 April 1908 -- unknown -RRB- was a Scottish professional footballer who played as a wing half .. Scottish. Scottish people. footballer. association footballer
not_related.