With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tetris was designed by a video game designer.
text_B: Evangelista Martinotti -LRB- 1634 -- 1694 -RRB- was an Italian painter of the Baroque period .. Italian. Italy. Baroque. Baroque. He was born in Monferrato , Piedmont .. Monferrato. Monferrato. Piedmont. Piedmont. Martinotti was a pupil of Salvator Rosa , and often painted landscapes .. Salvator Rosa. Salvator Rosa. His brother Francesco -LRB- 1636 -- 1374 -RRB- , a figure painter , also trained with Rosa .
not_related.