With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Syd Barrett played the guitar for Pink Floyd.
text_B: Petra Rohrmann -LRB- born 30 July 1962 in Zella-Mehlis , Thuringia -RRB- was an East German cross country skier who competed from 1983 to 1984 .. Zella-Mehlis. Zella-Mehlis. Thuringia. Thuringia. East German. East Germany. cross country skier. cross country skier. At the 1984 Winter Olympics in Sarajevo , she finished eighth in the 4 x 5 km relay and had her best individual finish was 17th in the 10 km event at those same games .. 1984 Winter Olympics. 1984 Winter Olympics. Sarajevo. Sarajevo. Rohrmann 's best World cup career finish was seventh in a 20 km event in the Soviet Union in 1983 .. Soviet Union. Soviet Union
not_related.