With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Halle Berry is not a cosmetics spokesmodel.
text_B: Paul F. Velleman -LRB- born April 16 , 1949 -RRB- is a Professor of statistics at Cornell University .. Professor. Professor. statistics. statistics. Cornell University. Cornell University
not_related.