With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael Jackson was killed by Conrad Murray via involuntary manslaughter.
text_B: Mercy Hospital of Defiance is a hospital in Defiance , Ohio and is part of Mercy Health Partners .. Mercy Health Partners. Mercy Health Partners. Defiance. Defiance, Ohio. Ohio. Ohio. hospital. hospital
not_related.