With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Doctor Who travels alone
text_B: USS Hopkins has been the name of more than one United States Navy ship , named in honor of Commodore Esek Hopkins , and may refer to  :. United States Navy. United States Navy. Esek Hopkins. Esek Hopkins. , a destroyer in commission from 1903 to 1919. , a patrol vessel in commission from 1918 to 1920. , a destroyer commissioned in 1921 , converted into a fast minesweeper in 1939 , and decommissioned in 1945. Category  : United States Navy ship names. United States Navy. United States Navy
not_related.