With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Emmy Rossum was in Dare in 2009.
text_B: Synodontis polystigma is a species of upside-down catfish that is native to the upper Congo Basin of the Democratic Republic of the Congo and Zambia .. upside-down catfish. Mochokidae. Congo Basin. Congo Basin. Democratic Republic of the Congo. Democratic Republic of the Congo. Zambia. Zambia. It was first described by George Albert Boulenger in 1915 .. Boulenger. George Albert Boulenger. George Albert Boulenger. George Albert Boulenger. The original specimens were obtained at Lukonzolwa , in Lake Mweru , in what is now the Democratic Republic of the Congo .. Democratic Republic of the Congo. Democratic Republic of the Congo. Lake Mweru. Lake Mweru. The species name polystigma is derived from poly , meaning `` many '' and stigma , meaning `` mark or spot '' , referring to the numerous black spots on the body and fins of the species .. species name. Specific name ( zoology )
not_related.