With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ozzy Osbourne has a distinctive singing voice and is recognized by many people.
text_B: Antonio Bezerra Brandao or simply Toninho -LRB- born December 21 , 1977 in Araraquara -RRB- , is a former Brazilian central defender .. Araraquara. Araraquara. central defender. Defender ( association football )#Centre-back
not_related.