With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The main character of Memento is looking for the persons who attacked him.
text_B: Newcastle GAA is a Gaelic Athletic Association club located in the village of Newcastle , County Tipperary , Ireland .. Newcastle. Newcastle, County Tipperary. Gaelic Athletic Association. Gaelic Athletic Association. County Tipperary. County Tipperary. Ireland. Republic of Ireland. The club was founded in 1932 and is part of the South division of Tipperary GAA .
not_related.