With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stockard Channing appeared in comedy films.
text_B: Lee Anthony Brennan -LRB- born 27 September 1973 -RRB- is an English singer , songwriter , dancer and actor .. He is the lead vocalist of boy band 911 .. 911 ( UK band )
not_related.