With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Heikegani is a type of decapod crustacean.
text_B: Kondaveeti Raja is a 1986 Tollywood film starring Chiranjeevi , Vijayashanti , Radha and Rao Gopal Rao .. Chiranjeevi. Chiranjeevi. Vijayashanti. Vijayashanti. Radha. Radha ( actress ). Rao Gopal Rao. Rao Gopal Rao. Tollywood. Cinema of Andhra Pradesh. This film was directed by K. Raghavendra Rao .. K. Raghavendra Rao. K. Raghavendra Rao. The film released on 31 January 1986 .
not_related.