With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brad Pitt played a cowboy hitchhiker.
text_B: The was a political party in Japan formed in 1998 by Ichiro Ozawa and Hirohisa Fujii .. Ichiro Ozawa. Ichiro Ozawa. political party in Japan. list of political parties in Japan. Hirohisa Fujii. Hirohisa Fujii. It is now defunct , having joined the Democratic Party of Japan in 2003 .. Democratic Party of Japan. Democratic Party of Japan
not_related.