With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Batman first appeared in Chicago.
text_B: Nebaliopsis typica is a species of leptostracan crustacean , the only species in the genus Nebaliopsis .. species. species. crustacean. crustacean. only species. monotypic. genus. genus. It is exceptionally large for a leptostracan , at up to 40 mm in length , compared to 5 - for the other species .. species. species. It is also the only species not to brood its eggs , but instead lays them directly into the water ; correspondingly , there is no sexual dimorphism in Nebaliopsis .. species. species. only species. monotypic. brood. Brooding. eggs. egg ( biology ). sexual dimorphism. sexual dimorphism. In contrast to the other leptostracans , which are all benthic , Nebaliopsis has a wide pelagic distribution in the Southern Hemisphere , having been found off both coasts of South America , off Ghana and Cote d'Ivoire , in the south-western Indian Ocean , the south Pacific Ocean and in the Scotia Sea .. benthic. benthic. pelagic. pelagic. Southern Hemisphere. Southern Hemisphere. South America. South America. Ghana. Ghana. Cote d'Ivoire. Cote d'Ivoire. Indian Ocean. Indian Ocean. Pacific Ocean. Pacific Ocean. Scotia Sea. Scotia Sea
not_related.