In the following question two sentences are given which are fragmented into seven phrases denoted by (A), (B), (C), (D), (E), (F) and (G). By using all the seven phrases, each only once, you have to frame two meaningful and grammatically correct sentences. The correct order of the phrases is your answer.

I) message when he in fact did (A)/ a sender must not be able (B)/ the non-repudiation security means (C)/ to deny that he sent a specific (D)/

II) actively no one single group (E)/ where different groups function (F)/ can achieve dominance over society (G)