With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Diana Ross was in the Cookies.
text_B: The US Army Field Manual on Interrogation , sometimes known by the military nomenclature FM 34-52 , is a 177-page manual describing to military interrogators how to conduct effective interrogations while conforming with US and international law .. It has been replaced by FM 2-22 .3 Human Intelligence Collector Operations .
not_related.