With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Dark Knight did not feature Ledger as the Joker.
text_B: Choeradodis rhomboidea , common names tropical shield mantis , hood mantis -LRB- or hooded mantis -RRB- , and leaf mantis -LRB- or leaf mantis -RRB- , is a species of praying mantis .. Choeradodis. Choeradodis. species. species. praying mantis. praying mantis. A native of Central America , C. rhomboidea was formerly categorized as Choeradodis hyalina -LRB- Serville 1831 -RRB- and as Mantis rhomboidea -LRB- Stoll 1813 -RRB-. Choeradodis. Choeradodis. Central America. Central America. categorized. Taxonomy ( biology )
not_related.