With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dean Martin was working in the entertainment industry.
text_B: Ready or Not is Cantopop artist Miriam Yeung 's third Mandarin solo studio album .. Miriam Yeung. Miriam Yeung. Mandarin. Standard Mandarin. Cantopop. Cantopop. It was released by East Asia Music on 8 March 2011 .. This is also the first Mandarin album Miriam had in eight years .. Mandarin. Standard Mandarin. The album includes nine tracks , one of which was featured on the original soundtrack of Perfect Wedding .. Perfect Wedding. Perfect Wedding
not_related.