四、聚会结束后，亮亮在教室里捡到一条粉色连衣裙，他正在寻找连衣裙的主人。根据情景，完成亮亮和同学之间的对话。
Liangliang: Hello, Diandian. Look! Here is __________________. Is it your dress?
Diandian: No, it isn’t.______________________________
Liangliang:______________________________
Diandian: Maybe it’s Nannan’s. You can ask her.
Liangliang:______________________________
Nannan: Oh yes.______________________________

示例：
Liangliang：Hello，Diandian. Look! Here is a pink dress. Is it your dress?
Diandian：No，it isn’t. My dress is purple.
Liangliang：Whose dress is it?
Diandian：Maybe it’s Nannan’s. You can ask her.
Liangliang：Is it your dress，Nannan?
Nannan：Oh yes. Thank you so much，Liangliang.