With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Heroin is a depressant.
text_B: Bad Magic is the twenty-second and final studio album by the band Motorhead released on 28 August 2015 , and is the fifth release under the UDR GmbH  /  Motorhead Music collaboration of the previous five years .. Motorhead. Motorhead. studio album. Album. Due to the death of founder Lemmy Kilmister four months after the album 's release , the band disbanded after 40 years on the road .. Lemmy Kilmister. Lemmy. Surviving members Mikkey Dee and Phil Campbell stated to numerous media that the band was finished .. `` When the Sky Comes Looking for You '' was the only song from this album to be played live .
not_related.