With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Comedian stars Dwayne Johnson.
text_B: The Rund um Berlin was a classic cycling race which was based around the German city of Berlin .. Berlin. Berlin. classic. Classic cycle races. cycling race. cycling race. It was the oldest cycling race in Germany until it disappeared in 2000 .. Germany. Germany. cycling race. cycling race. Although it was one of the oldest races in the world , its importance was merely restricted to Germany .. Germany. Germany. It was usually only contested by Germans and only three times the winner was not German .
not_related.