With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jack Black has been in films.
text_B: A bung is an apparatus used to seal a container .. bung. bung. It may also refer to  :. Places. Bung Bong , Victoria , in Australia. Bung , Nepal , a Village Development Committee in Nepal. People. Bung Tomo -LRB- 1920-1981 -RRB- , an Indonesian military leader. Bung Tomo. Bung Tomo. Other. Bung Enterprises , a defunct Hong Kong-based manufacturer of video game accessories. Bung Enterprises. Bung Enterprises. Bung language , a nearly extinct language of Cameroon. Bung language. Bung language. Bunghole , a hole bored in a liquid-tight barrel. Bunghole. Bunghole. Bung or bunghole , a slang term for anus. anus. anus. British slang for a bribe. bribe. bribe
not_related.