With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Man of Steel does not feature the DC Comics character Superman.
text_B: Enteucha acetosae , the pygmy sorrel moth , is a moth of the Nepticulidae family .. Nepticulidae. Nepticulidae. Enteucha. Enteucha. moth. moth. It is found from Sweden to the Pyrenees , Alps and Serbia and from Ireland to Romania .. Sweden. Sweden. Pyrenees. Pyrenees. Alps. Alps. Serbia. Serbia. Ireland. Ireland. Romania. Romania. The wingspan is 3 -- 4 mm .. wingspan. wingspan. There are two to three generations in western and central Europe. The larvae feed on Rumex acetosa , Rumex alpestris and Rumex acetosella .. Rumex acetosa. Rumex acetosa. Rumex alpestris. Rumex alpestris. Rumex acetosella. Rumex acetosella. They mine the leaves of their host plant .. mine. leaf miner. The mine consists of a narrow , hardly widening corridor that makes about five whole or half circles closely around the egg .. mine. leaf miner. The leaf tissue around the mine is intensely reddened .. mine. leaf miner. There are often several mines in a single leaf .. The frass is deposited in a narrow central line .. frass. frass. Pupation takes place outside of the mine .. mine. leaf miner
not_related.