With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jon Watts co-wrote the Marvel movie Spider-Man: Homecoming.
text_B: The World Arabian Horse Organization -LRB- WAHO -RRB- is the world organization for the preservation , improvement and preservation of Arabian horses .. WAHO grants membership to nations after examination of national breeding stud books , and review of regulations for each country .
not_related.