With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Daniel Day-Lewis is an American.
text_B: Affection Exchange Theory -LRB- AET -RRB- was introduced in 2001 by Kory Floyd .. The theory was first presented in two of Floyd 's research projects .. The first was in a paper presented to the Western States Communication Association in Coeur d'Alene , ID in February 2001 .. The paper was titled `` Elements of an affection exchange theory  : Socioevolutionary paradigm for understanding affectionate communication '' .. affection. affection. The second was in an article titled `` Human Affection Exchange I  : Reproductive probability as a predictor of men 's affection with their sons , '' published in The Journal of Men 's Studies in Fall 2001 .. affection. affection. When this theory was constructed , Floyd was working as a professor at Arizona State University in Tempe , Arizona in the Hugh Downs School of Human Communication .. Arizona State University. Arizona State University. Hugh Downs School of Human Communication. Hugh Downs School of Human Communication. Many studies had been done up to this point -LRB- including some of Floyd 's own research pieces -RRB- regarding affection and its involvement in interpersonal relationships , particularly between romantic partners and between parents and their children .. affection. affection. interpersonal relationships. interpersonal relationships. In 2001 , Floyd introduced AET , which was the first theory to address some of the short and long-term effects of the exchange of affection .. affection. affection
not_related.