With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Down syndrome was present in 5.4 million American individuals in 2015.
text_B: The North Carolina Division of Motor Vehicles is the division of the North Carolina Department of Transportation -LRB- NCDOT -RRB- which oversees driver licenses and vehicle registrations within the state of North Carolina , USA .. North Carolina. North Carolina. North Carolina Department of Transportation. North Carolina Department of Transportation
not_related.