With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: We Found Love's music video was directed by an American director who has only done commercials.
text_B: Stefan Gaisreiter -LRB- born 10 December 1947 in Murnau am Staffelsee -RRB- is a West German bobsledder who competed from the late 1960s to the late 1970s .. Murnau am Staffelsee. Murnau am Staffelsee. West German. West Germany. He won a bronze medal in the four-man event at the 1972 Winter Olympics in Sapporo .. 1972 Winter Olympics. 1972 Winter Olympics. Sapporo. Sapporo. Gaisreiter also won six medals at the FIBT World Championships with two golds -LRB- Four-man  : 1969 , 1979 -RRB- , one silver -LRB- Two-man  : 1979 -RRB- , and three bronzes -LRB- Two-man  : 1977 , Four-man  : 1971 , 1973 -RRB- .. Four-man. Bobsleigh at the 1972 Winter Olympics. World Championships. FIBT World Championships. FIBT World Championships. FIBT World Championships. FIBT World Championships 1969. FIBT World Championships 1979. FIBT World Championships 1977. FIBT World Championships 1971. FIBT World Championships 1973
not_related.