With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adolf Hitler got married on the 20th of April 1889.
text_B: Gelechia palpialbella is a moth of the Gelechiidae family .. Gelechiidae. Gelechiidae. Gelechia. Gelechia. moth. moth. It is found in North America , where it has been recorded from Texas .. North America. North America. Texas. Texas. The forewings are dark greyish-brown , with obscure small spots of dark velvety-brown on the wings .
not_related.