With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cate Blanchett has always refused to be in a production of Hamlet.
text_B: Kovach Island -LRB- остров Ковач , ` Ostrov Kovach ' \ ` os-trov ko - ` vach \ -RRB- is the westernmost island in the Onogur group off the northwest coast of Robert Island in the South Shetland Islands , Antarctica .. Antarctica. Antarctica. South Shetland Islands. South Shetland Islands. Onogur group. Onogur Islands. Robert Island. Robert Island ( South Shetland Islands ). Kovach. Kovach ( Stara Zagora Province ). The feature is rocky , extending 630 m in southwest-northeast direction and 240 m wide .. It is separated from Grod Island by a 100 m wide passage .. Grod Island. Grod Island. The area was visited by early 19th century sealers .. sealers. Seal hunting. The island is named after the settlement of Kovach in Southern Bulgaria .. Kovach. Kovach ( Stara Zagora Province )
not_related.