With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Karl Urban played a fictional character in J.R.R. Tolkien's legendarium.
text_B: Eomer may refer to  :. a legendary king of the Angles. king of the Angles. king of the Angles. a character in The Lord of the Rings , see Eomer. Eomer. Eomer
related.