With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Tennant played the Tenth Doctor in Grey's Anatomy.
text_B: Government Livestock Farm , Hisar is a public funded agricultural institute located at Hisar in the Indian state of Haryana for livestock breeding , research and training .. Hisar. Hisar ( city ). Haryana. Haryana. public funded. Public university. agricultural institute. List of agricultural universities and colleges
not_related.