With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Chernobyl disaster is also called the Chernobyl accident and was highly criticized.
text_B: John McDiarmid may refer to  :. John B. McDiarmid , Canadian academic and University of Washington Professor of Classics. John B. McDiarmid. John B. McDiarmid. John Stewart McDiarmid , Manitoba politician. John Stewart McDiarmid. John Stewart McDiarmid. John McDiarmid -LRB- tennis -RRB-
not_related.