Read the following sentences. Decide whether the underlined appositives in each sentence are NI (necessary information) or EI (extra information) . (注意答案要填入大写字母) 1. The movie Groundhog Day arrived in theaters in 1993. 2. Bill Murray, a talented comedian , is the star of the movie. 3. In the movie, Bill Murray is meteorologist Phil Connors . 4. Phil Connors has to go to Punxsutawney, a small town in the mountains of western Pennsylvania . 5. On Februry 2, Punxsutawney has a celebration for Groundhog Day, an old mid-winter holiday . 6. Phil Connors and his coworker Rita plan to stay in Punxsutawney for just 24 hours. 7. The worst kind of winter weather, a blizzard , forces Phil and Rita to remain in Punxsutawney. 8. Romantic comedies, funny movies about love , always have a happy ending, and Phil and Rita's Februra 2 story does, too.