Clarification on Answer and Question Type

Hi! (: I hope this helps. <3 So for the stimulus, my diagram was: SJ - some - PA PA - some SJ INVALID conclusion: SJ - some - NOT PA S - most - D D - some - S INVALID conclusion: D- some - NOT S Both scenarios attempt an illegal negation of the necessary condition. Hope this helps. Let me know if I diagrammed incorrectly. :D