With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Most of the population of Russia live in the European (west) side
text_B: State Route 180 -LRB- SR 180 -RRB- is a 29.55 mi long east -- west state highway in the southern portion of the U.S. state of Ohio .. state highway. state highway. U.S. state. U.S. state. Ohio. Ohio. SR 180 has its western terminus at a T-intersection with SR 159 nearly 5 mi northeast of Chillicothe .. Chillicothe. Chillicothe, Ohio. Its eastern terminus is at a diamond interchange with the U.S. Route 33 -LRB- US 33 -RRB- expressway approximately 3.75 mi northwest of Logan .. Logan. Logan, Ohio. diamond interchange. diamond interchange. U.S. Route 33. U.S. Route 33 ( Ohio )
not_related.