With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Great British Sewing Bee is a show on WGBH.
text_B: Megacraspedus longipalpella is a moth of the Gelechiidae family .. Gelechiidae. Gelechiidae. Megacraspedus. Megacraspedus. moth. moth. It is found in Russia -LRB- the southern Ural and Lower Volga -RRB- .. Russia. Russia. The habitat consists of grassy lowland steppes .. The wingspan is 18 -- 20 mm .. wingspan. wingspan. The ground colour of the forewings is pale ochreous , sparsely scattered with pale brownish scales .. The hindwings are pale fuscous .. Adults are on wing from early June to early August .
not_related.