With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Shah Rukh Khan played the lead role in the film that was his Bollywood debut.
text_B: Mastododera is a genus of beetles in the family Cerambycidae , containing the following species  :. Cerambycidae. Cerambycidae. Mastododera fallaciosa Villiers , 1982. Mastododera fallaciosa. Mastododera fallaciosa. Mastododera jansoni Waterhouse , 1882. Mastododera jansoni. Mastododera jansoni. Mastododera lateralis -LRB- Guerin-Meneville , 1844 -RRB-. Mastododera lateralis. Mastododera lateralis. Mastododera monticola Villiers , 1982. Mastododera monticola. Mastododera monticola. Mastododera nodicollis -LRB- Klug , 1833 -RRB-. Mastododera nodicollis. Mastododera nodicollis. Mastododera rufosericans Fairmaire , 1893. Mastododera rufosericans. Mastododera rufosericans. Mastododera tibialis Fairmaire , 1894. Mastododera tibialis. Mastododera tibialis. Mastododera transversalis Fairmaire , 1889. Mastododera transversalis. Mastododera transversalis. Mastododera velutina Villiers , 1982. Mastododera velutina. Mastododera velutina. Mastododera vicina Villiers , 1982. Mastododera vicina. Mastododera vicina. Mastododera villiersi Vives , 2001. Mastododera villiersi. Mastododera villiersi
not_related.