With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Deadpool 2 features actors.
text_B: The 2011 European Senior Tour was the 20th season of the European Senior Tour , the professional golf tour for men aged 50 and above operated by the PGA European Tour .. European Senior Tour. European Senior Tour. professional golf tour. professional golf tour. PGA European Tour. PGA European Tour. Peter Fowler won two events and the Order of Merit title .. Peter Fowler. Peter Fowler
not_related.