With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roald Dahl had a military rank.
text_B: During the first year and more after America entered the war against the Axis , the United States Navy suffered from an acute shortage of warships , particularly of antisubmarine warfare and escort types .. United States Navy. United States Navy. To fill that need , an extensive ship construction and acquisition program was inaugurated .. Part of that program consisted of placing orders with British and Canadian firms already tooled up to produce .. Vitality -LRB- PG-100 -RRB- was such a ship .. However , before she was launched on 15 April 1943 by the Midland Shipyard in Canada , she was traded to the Royal Navy under the terms of the lend-lease agreement for a similar ship being constructed in Canada .. Royal Navy. Royal Navy. The British renamed her HMS Willowherb , and she served in the Royal Navy for the duration of the war .. Royal Navy. Royal Navy. On 11 June 1946 , she was returned to the custody of the United States Navy .. United States Navy. United States Navy. Though carried on the Navy list as PG-100 following the war , Vitality never actively served the United States Navy .. United States Navy. United States Navy. She remained idle until sold on 7 May 1947 .. To whom she was sold and for what purpose is unknown , but one source indicates that she was not scrapped until 1961 .
not_related.