With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Antonio Vivaldi was born in a city in northeastern Italy.
text_B: Tomislav Franjkovic -LRB- May 19 , 1931 -- October 11 , 2010 -RRB- was a Croat water polo player who competed for Yugoslavia in the 1956 Summer Olympics .. Croat. Croats. water polo. water polo. Yugoslavia. Socialist Federal Republic of Yugoslavia. 1956 Summer Olympics. 1956 Summer Olympics. He was part of the Yugoslav team which won the silver medal in the 1956 tournament .. Yugoslav team. Yugoslavia men's national water polo team. He played six matches .
not_related.