The general point is "Carla is a pleasure to be around." This is non specific.
All other points outline specific attributes that support this statement, referring to her smile and willingness to listen and ask questions.
Nonrestrictive because the sentence you "My brother who lives in Hawaii is a surfer" is not restrictive but the answer to your question is = Nonrestrictive.
Wiesel said that the Holocaust "happened yesterday or an eternity ago" to (a.) to show that he remembers the Holocaust clearly and always will. Wiesel meant that the memories from the Holocaust were very strong that he can never forget those who suffered.
