sentence: Their struggles and hopes of forty years will not have been in vain . Without the " events of the Berlin Wall " , history probably would not have taken a very different course . Eventually , I think that things would have turned out as they did .
modified: Their struggles and hopes of forty years will not have been in vain -- Without the " events of Berlin Wall " history probably would not have taken a very different course -- Eventually , I think that things would have turned out as they did --
transformation: PUNCT, DET, PUNCT, PUNCT, PUNCT