With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Matt Smith's first television role was in the BBC adaptation of Philip Pullman's The Shadow in the North.
text_B: `` Them Bones '' is a song by the American rock band Alice in Chains .. Alice in Chains. Alice in Chains. rock. Rock music. The song was released as the second single from their second album , Dirt -LRB- 1992 -RRB- .. Dirt. Dirt ( Alice in Chains album ). The song was also included on the compilation albums Nothing Safe  : Best of the Box -LRB- 1999 -RRB- , Music Bank -LRB- 1999 -RRB- , Greatest Hits -LRB- 2001 -RRB- , The Essential Alice in Chains -LRB- 2006 -RRB- .. Alice in Chains. Alice in Chains. Music Bank. Music Bank ( album ). Greatest Hits. Greatest Hits ( Alice in Chains album ). The Essential Alice in Chains. The Essential Alice in Chains. A live performance of the song is included on their release entitled Live .. Live. Live ( Alice in Chains album )
not_related.