With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Blue Velvet was released in 1970.
text_B: Susan Walsh -LRB- born 1962 -RRB- , also known by her married name Susan Stankavage , is an American former competition swimmer who won two medals at the 1982 World Aquatics Championships .. swimmer. swimming ( sport ). 1982 World Aquatics Championships. 1982 World Aquatics Championships. She qualified for the 1980 Summer Olympics in the 100-meter backstroke , but could not compete because of their United States-led boycott of the Soviet-hosted games .. 1980 Summer Olympics. 1980 Summer Olympics. United States-led boycott. 1980 Summer Olympics boycott. She was 0.01 seconds short of qualifying for the 1984 Olympics in the same event .
not_related.