With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jean Grey is only known under the alias Marvel Boy.
text_B: Silvana Cruciata -LRB- born 15 February 1953 in Naples -RRB- is a former Italian middle - and long-distance runner .. Naples. Naples. Italian. Italy. middle. middle distance running. long-distance runner. long-distance runner. She represented Italy at the 1976 Montreal Olympics and shared medals with the Italian women 's teams at the IAAF World Cross Country Championships .. World Cross Country Championships. IAAF World Cross Country Championships. Italian. Italy. 1976 Montreal Olympics. 1976 Montreal Olympics. IAAF World Cross Country Championships. IAAF World Cross Country Championships. Her best of 18.084 km for the one hour run set in 1981 was a world record for over seventeen years and remains the European record for the event .. one hour run. one hour run. world record. list of world records in athletics. European record. List of European records in athletics. Among her other achievements were wins at the Rome-Ostia Half Marathon and Stramilano road races and a bronze medal over 3000 metres at the 1981 IAAF World Cup .. IAAF World Cup. IAAF World Cup. Rome-Ostia Half Marathon. Rome-Ostia Half Marathon. Stramilano. Stramilano. 3000 metres. 3000 metres. 1981 IAAF World Cup. 1981 IAAF World Cup
not_related.