With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Slovakia joined the European Union in 2004.
text_B: Thomas Greenleaf was an American publisher during the 1700s who published Anti-Federalist letters including those by the Federal Farmer in the New York Journal .. Anti-Federalist. Anti-Federalist. Federal Farmer. Federal Farmer. New York Journal. New-York journal and daily patriotic register. New York. New York ( state ). He also published the laws of the state of New York .. New York. New York ( state )
not_related.