Definition: 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'.
Input: Person1: I would like to return this pair of shoes .
Person2: Do you have a sales slip ?
Person1: Here it is .
Person2: Sorry , things on sale are not allowed to be refunded or exchanged .
Person1: Oh , but this pair of shoes are a bit too tight . Could I change them for something bigger ?
Person2: All right . Wait a minute .
Output:
No emotion,No emotion,No emotion,sadness,No emotion,No emotion