You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to label each of the continuous conversations done by one speaker with the emotion detected in that particular part. Your labels can be one among the following: 'No emotion', 'surprise', 'happiness', 'sadness', 'anger', 'disgust'.

Ex Input:
Person1: You look tired . Did you sleep well last night ?
Person2: I stayed up all night writing a report .
Person1: Go easy . Overwork is bad for your health .

Ex Output:
No emotion,No emotion,No emotion

Ex Input:
Person1: What ' s the date today ?
Person2: December the fifteenth . The day after tomorrow is little Tom ' s birthday .
Person1: Right . What present should we give him this time ? By the way , how old is he ?
Person2: Thirteen today and tomorrow . Fourteen the day after tomorrow .
Person1: How time flies ! He ' s a big boy now .
Person2: And don ' t forget Mary , Tom ' s twin sister . It ' s her birthday , too .
Person1: OK . Let ' s invite all their little friends to come and celebrate .

Ex Output:
No emotion,No emotion,No emotion,No emotion,No emotion,No emotion,No emotion

Ex Input:
Person1: Excuse me . My name is David Walker . Haven't we met before ?
Person2: Well , let me see ... Do you work at IBM Corporation ?
Person1: Yes , I do .
Person2: Now I remember . We met at a conference in Tokyo last year .

Ex Output:
No emotion,No emotion,No emotion,No emotion