With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mithun Chakraborty was in a 1982 television show directed by Babbar Subhash.
text_B: In Greek mythology , the Suitors of Helen are those who came from many kingdoms of Greece to compete for the hand of the Spartan princess Helen , daughter of Zeus and Leda .. Helen. Helen of Troy. Zeus. Zeus
not_related.