With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yamaha Corporation produces musical instruments.
text_B: Bartolomeu Jacinto Quissanga , known as Bastos -LRB- born November 23 , 1991 -RRB- is an Angolan footballer who plays as a defender for Lazio .. Lazio. S.S. Lazio. footballer. Association football. defender. Defender ( association football )
not_related.