Choose the sentence with correct punctuation and the correct rule.
Group of answer choices
War and Peace, which has over 1000 pages, is difficult to read. NONRESTRICTIVE ELEMENT
War and Peace which has over 1000 pages is difficult to read. NO COMMAS NEEDED
War and Peace which has over 1000 pages, is difficult to read. INTRODUCTION
War and Peace, which has over 1000 pages is difficult to read. CONTRASTED ELEMENTS