With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A quarry is where excavation of dimension stone occurs.
text_B: , known by her stage name Bonnie Pink , is a Japanese singer-songwriter and musician .. Japanese. Japanese people. She speaks English , Japanese , Korean and Chinese -LRB- many of her songs are entirely in English -RRB- .. Japanese. Japanese people. She writes and composes all her songs , and plays guitar and piano .. Asada has said that the name Bonnie Pink is random and has no special meaning ; she chose it because it was easy to remember and because she thought the words were cute together .
not_related.