With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The memory of Titanic is kept alive in several ways.
text_B: Earl of Dirletoun was a title in the Peerage of Scotland .. Peerage of Scotland. Peerage of Scotland. It was created in 1646 for James Maxwell by King Charles I. Lord Dirletoun 's only male heir died in infancy , and the Earldom became extinct on his death .. King Charles I. Charles I of England. He had two daughters .. The first , Lady Elizabeth , married William Hamilton , 2nd Duke of Hamilton and the second , Lady Diana , married Charles Cecil , Viscount Cranborne .
not_related.