应该是some good pieces of news 还是some pieces of good news?

应该是some good pieces of news 还是some pieces of good news?
应该是some good pieces of news 还是some pieces of good news?

应该是some good pieces of news 还是some pieces of good news?
前者意思是“几则有价值的新闻”；后者是“几则好消息”