With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Shape of Water (film) is directed by James Cameron.
text_B: HMS Petard was an destroyer built by Denny for the Royal Navy , commenced 5 July 1915 and launched on 24 March 1916 .. destroyer. destroyer. Denny. William Denny and Brothers. Royal Navy. Royal Navy. She saw service during the First World War .. First World War. World War I. Postwar , she was sold for breaking up on 9 May 1921 .
not_related.