You will be given a definition of a task first, then some input of the task.
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'.

 Person1:      Well , Mike , nowadays there's much talk about nanometer . But what on earth is it ?  
 Person2:  Nanometer is a length scale . It's one billionth of a meter , roughly ten times the size of an individual atom .  
 Person1:       Hmm ... it's hard to figure out the exact size , I'm afraid .  
 Person2:  Well , let's make it this way . For comparison , 10 NM is 1000 times smaller than the diameter of a human hair . There are as many nanometers in an inch as there are inches in 400 miles .  
 Person1:       I see.Thank you . 
Output:
No emotion,No emotion,No emotion,No emotion,happiness