With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gold is material that is soft.
text_B: Rodica Mateescu -LRB- born Rodica Petrescu on March 13 , 1971 in Bucharest -RRB- is a former triple jumper from Romania .. Bucharest. Bucharest. Romania. Romania. Having set a personal best of 15.16 in 1997 , she placed fourth at the 1997 IAAF World Indoor Championships and won a silver medal at the 1997 World Championships .. World Championships. IAAF World Championships in Athletics. 1997 IAAF World Indoor Championships. 1997 IAAF World Indoor Championships. 1997 World Championships. 1997 World Championships in Athletics. The same year she placed third at the Grand Prix Final in Fukuoka .. Fukuoka. Fukuoka, Fukuoka. Mateescu is married to hurdler Mugur Mateescu .. Mugur Mateescu. Mugur Mateescu
not_related.