With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adele is a person.
text_B: IDDM may refer to  :. Insulin-Dependent Diabetes Mellitus , now known as Diabetes mellitus type 1 , an autoimmune disease resulting in the destruction of insulin-producing cells .. Diabetes mellitus type 1. Diabetes mellitus type 1. The term Insulin-Dependent Diabetes Mellitus is still widely used in Japan .. Integrated Diver Display Mask , an item of scuba gear .. Integrated Diver Display Mask. Integrated Diver Display Mask
not_related.