With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Elvis & Nixon stars Michael Bay.
text_B: Carlos Eduardo Robledo Puch -LRB- born January 19 , 1952 -RRB- , also known as `` The Death Angel '' and `` The Black Angel '' , is an Argentine serial killer .. Argentine. Argentina. serial killer. serial killer. He was convicted of 11 murders , one attempted murder , 17 robberies , one rape , one attempted rape , one count of sexual abuse , two kidnappings and two thefts .. convicted. convicted. murder. murder. attempted murder. attempted murder. robberies. robberies. rape. rape. sexual abuse. sexual abuse. He killed his victims in a variety of ways , such as stabbing , shooting , strangling , bludgeoning to death with rocks and slitting their throats .. He has been in prison since 1973 .
not_related.