With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gregor Clegane was introduced in A Game of Thrones.
text_B: Dichomeris hemichrysella is a moth in the Gelechiidae family .. Gelechiidae. Gelechiidae. Dichomeris. Dichomeris. moth. moth. It was described by Walker in 1863 .. It is found in Brazil -LRB- Amazonas -RRB- , Guyana and Peru .. Brazil. Brazil. Amazonas. Amazonas ( Brazilian state ). Guyana. Guyana. Peru. Peru. The wingspan is 15-17 mm .. wingspan. wingspan. The forewings are ochreous brown , with lilac reflections , somewhat lighter towards the disc .. The dorsal half is deep ferruginous , with the division rather irregular , somewhat whitish-edged in the disc .. The dorsal edge is suffused with dark grey towards the base .. The stigmata is elongate , blackish , the plical slightly beyond the first discal , sometimes confluent with it .. There are blackish streaks on veins four and five towards the termen .. The hindwings are rather dark grey , lighter in the disc anteriorly .
not_related.