With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Helen Hunt starred in the comedy-drama film Then She Found Me.
text_B: German submarine U-658 was a Type VIIC U-boat built for Nazi Germany 's Kriegsmarine for service during World War II .. Type VIIC. German Type VIIC submarine. U-boat. U-boat. Nazi Germany. Nazi Germany. Kriegsmarine. Kriegsmarine. World War II. World War II. She was laid down on 15 November 1940 by Howaldtswerke , Hamburg as yard number 807 , launched on 11 September 1941 and commissioned on 5 November 1941 under Kapitanleutnant Hans Senkel .. laid down. Keel laying. Howaldtswerke. Howaldtswerke. Hamburg. Hamburg. launched. Ceremonial ship launching. commissioned. Ship commissioning
not_related.