With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yamaha Corporation is based in Japan.
text_B: -LRB- -LSB- jəˈmɑːhə -RSB- or -LSB- ˈjɑːməhə -RSB- -LSB- jamaha -RSB- -RRB- is a Japanese multinational corporation and conglomerate based in Japan with a very wide range of products and services , predominantly musical instruments , electronics , motorcycles and power sports equipment .. Japan. Japan. multinational corporation. multinational corporation. conglomerate. Conglomerate ( company ). musical instruments. musical instruments. electronics. electronics. motorcycles. motorcycles. sports. sports. It is one of the constituents of Nikkei 225 and is the world 's largest piano manufacturing company .. Nikkei 225. Nikkei 225. piano. piano
related.