With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ted Kaczynski is a terrorist.
text_B: Bobbie the Wonder Dog -LRB- 1921 -- 1927 -RRB- was a dog from the U.S. state of Oregon who became famous for traveling 2551 mi from the state of Indiana , to return to his master 's home in the city of Silverton.This was from the odometer reading .. U.S. state. U.S. state. Oregon. Oregon. Indiana. Indiana. Silverton. Silverton, Oregon. It has sometimes been reported as 2800 mi Ripley 's estimated the journey was 3000 mi .
not_related.