Sentence:One [e1]faction[/e1] of netherwing [e2]dragons[/e2], named the Netherwing, were attacked by the Dragonmaw orcs of Shadowmoon Valley and many were enslaved by Zuluhed, including the female Karynaku (mate of Neltharaku) who was leader of the brood.
 e1: faction. 
 e2 : dragons.
Answer: Member-Collection(e2,e1)