With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gift of the Night Fury stars the voice of an actor whose birthday is on June 4.
text_B: Derek Robinson -LRB- born 31 July 1931 -RRB- is a British former sports shooter .. sports shooter. Shooting sport. He competed in the 50 metre rifle , three positions event at the 1960 Summer Olympics .. 1960 Summer Olympics. 1960 Summer Olympics
not_related.