With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mammals are within a class.
text_B: FIAP , an acronym , may refer to  :. acronym. acronym. Federation Internationale de l'Art Photographique , the International Federation of Photographic Art. Federation Internationale de l'Art Photographique. Federation Internationale de l'Art Photographique. Festival Iberoamericano de Publicidad , the Ibero-American Advertising Festival. Festival Iberoamericano de Publicidad. Festival Iberoamericano de Publicidad. Federation of Inter-Asian Philately. Federation of Inter-Asian Philately. Federation of Inter-Asian Philately. Federazione italiana associazioni partigiane. Federazione italiana associazioni partigiane. Federazione italiana associazioni partigiane. Fellow of the Institution of Analysts and Programmers. Institution of Analysts and Programmers. Institution of Analysts and Programmers
not_related.