With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Rolling Stones are a group.
text_B: William Bagwell may refer to  :. William Bagwell. William Bagwell. William Bagwell , Irish politician. William Bagwell. William Bagwell. William Bagwell -LRB- writer -RRB- , merchant and writer on astronomy. William Bagwell. William Bagwell. Bill Bagwell , baseball player. Bill Bagwell. Bill Bagwell
not_related.