With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Formula (1980 film) is an American mystery film directed by John G. Avildsen.
text_B: Stefan Botticher -LRB- born 1 February 1992 -RRB- is a German track cyclist who competes in the sprint events .. track cyclist. track cycling. At the 2013 UCI Track Cycling World Championships he won gold medals in the individual sprint race and the team sprint .. Track. Track cycling. World Championships. UCI Track Cycling World Championships. 2013 UCI Track Cycling World Championships. 2013 UCI Track Cycling World Championships
not_related.