With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Divergent Series was adapted from the work of a speculative fiction author.
text_B: `` Not For Sale '' is the third single released from the album # 1 of the winner of the sixth season of Akademi Fantasia , Stacy .. Stacy. Stacy ( singer ). single. Single ( music ). sixth season. Akademi Fantasia, Season 6. Akademi Fantasia. Akademi Fantasia. The song features Malaysian rapper Altimet .. Altimet. :ms :Altimet
not_related.