With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George Wing wrote 50 First Dates.
text_B: Pachymorphus is a genus of beetles in the family Carabidae , containing the following species  :. Carabidae. Carabidae. Pachymorphus adelosioides -LRB- Chaudoir , 1878 -RRB-. Pachymorphus adelosioides. Pachymorphus adelosioides. Pachymorphus aereus -LRB- Dejean , 1828 -RRB-. Pachymorphus aereus. Pachymorphus aereus. Pachymorphus chalceus -LRB- Dejean , 1828 -RRB-. Pachymorphus chalceus. Pachymorphus chalceus. Pachymorphus currens -LRB- Brulle , 1838 -RRB-. Pachymorphus currens. Pachymorphus currens. Pachymorphus glaucus -LRB- Straneo , 1967 -RRB-. Pachymorphus glaucus. Pachymorphus glaucus. Pachymorphus lucidus -LRB- Curtis , 1839 -RRB-. Pachymorphus lucidus. Pachymorphus lucidus. Pachymorphus moerens -LRB- Brulle , 1838 -RRB-. Pachymorphus moerens. Pachymorphus moerens. Pachymorphus nebrioides -LRB- Curtis , 1839 -RRB-. Pachymorphus nebrioides. Pachymorphus nebrioides. Pachymorphus nicki -LRB- Emden , 1958 -RRB-. Pachymorphus nicki. Pachymorphus nicki. Pachymorphus orbignyi -LRB- Tschitscherine , 1900 -RRB-. Pachymorphus orbignyi. Pachymorphus orbignyi. Pachymorphus striatulus -LRB- Fabricius , 1775 -RRB-. Pachymorphus striatulus. Pachymorphus striatulus. Pachymorphus subcorynthius -LRB- Straneo , 1967 -RRB-. Pachymorphus subcorynthius. Pachymorphus subcorynthius. Pachymorphus substriatulus -LRB- Straneo , 1967 -RRB-. Pachymorphus substriatulus. Pachymorphus substriatulus. Pachymorphus violaceus -LRB- Straneo , 1987 -RRB-. Pachymorphus violaceus. Pachymorphus violaceus
not_related.