With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: IBM invented the magnetic stripe card.
text_B: Stanisław Udrzycki or Stanisław Udrycki -LRB- died Oct 1621 -RRB- was a Roman Catholic prelate who served as Auxiliary Bishop of Lutsk -LRB- 1617-1621 -RRB-. Lutsk. Lutsk. Auxiliary Bishop of Lutsk. Bishop of Lutsk
not_related.