With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leonardo da Vinci studied geology.
text_B: Chen Miao-Yi -LRB- 陳 妙怡 , born February 23 , 1983 in Nantou -RRB- is a Taiwanese softball player .. Nantou. Nantou City. softball. softball. She competed for Chinese Taipei at the 2004 and 2008 Summer Olympics .. Chinese Taipei. Chinese Taipei women's national softball team. Softball at the 2004 Summer Olympics. 2008 Summer Olympics. Softball at the 2008 Summer Olympics
not_related.