With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Vampire Diaries is an American podcast series.
text_B: Sir Henry Northcote , 4th Baronet -LRB- 1655 -- 1730 -RRB- was an English baronet from Devon .. baronet. baronet. He was by profession a doctor of medicine .. His great-great-great-grandson was Stafford Northcote , 1st Earl of Iddesleigh -LRB- 1818 -- 1887 -RRB- .
not_related.