With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Flash Thompson bullies his classmate.
text_B: is a railway station in Yamaguchi , Yamaguchi Prefecture , Japan .. railway station. railway station. Yamaguchi. Yamaguchi, Yamaguchi. Yamaguchi Prefecture. Yamaguchi Prefecture. Japan. Japan
not_related.