With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jane Fonda starred as the main character in Klute.
text_B: His Father 's Son is a 1917 silent film drama directed by George D. Baker and starring Lionel Barrymore .. George D. Baker. George D. Baker. Lionel Barrymore. Lionel Barrymore. silent. silent film. It was produced and distributed by Metro Pictures .. Metro Pictures. Metro Pictures
not_related.