With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: James Garner had a leading role in The Great Escape.
text_B: Ravenia swartziana is a species of flowering plant in the citrus family , Rutaceae .. Rutaceae. Rutaceae. Ravenia. Ravenia ( plant ). flowering plant. flowering plant. It is endemic to Jamaica , where it is known only from the type specimen collected early in the 20th century .. endemic. Endemism. Jamaica. Jamaica. type specimen. Type ( biology )
not_related.