With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kenny Rogers released the song, The Gambler.
text_B: The Integrated Planning System is a structured planning framework adapted from the US military 's Joint Operational Planning and Execution System -LRB- JOPES -RRB- and was developed and released by the US Department of Homeland Security in January 2009 .. Department of Homeland Security. Department of Homeland Security
not_related.