With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charles, Prince of Wales established The Prince's Trust in 1976.
text_B: Philipp Gilgen -LRB- born October 12 , 1976 -RRB- is a Swiss former swimmer , who specialized in backstroke events .. He is a 2000 Olympian and a 17-time Swiss champion in both 100 and 200 m backstroke .. Gilgen competed only in two swimming events at the 2000 Summer Olympics in Sydney .. 2000 Summer Olympics. 2000 Summer Olympics. Sydney. Sydney. He posted a FINA B-standard entry time of 56.87 from the Swiss National Championships in Zurich .. FINA. FINA. Zurich. Zurich. On the second day of the Games , Gilgen placed thirty-fifth the 100 m backstroke .. 100 m backstroke. Swimming at the 2000 Summer Olympics – Men's 100 metre backstroke. Swimming in heat three , he edged out Sweden 's Mattias Ohlin to wrest a third seed by a hundredth of a second -LRB- 0.01 -RRB- in 57.50 .. Mattias Ohlin. Mattias Ohlin. Gilgen also teamed up with Remo Lutolf , Karel Novy , and Philippe Meyer in the 4 × 100 m medley relay .. Remo Lutolf. Remo Lutolf. Karel Novy. Karel Novy. Philippe Meyer. Philippe Meyer. Leading off a backstroke leg in heat one , Gilgen recorded a split of 57.31 , but the Swiss team settled only for sixth place and sixteenth overall with a final time of 3 :42.78 .
not_related.