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:      ... Now , that's all I want to say about world coal reserves . So let's move on to the next topic , renewable resources . There are three things we have to consider when talking about renewable resources . First , sustainability ; second , marketability ; lastly , the reality factor . Let's talk about each point in more detail ... John , would you like to take it from here ?  
 Person2:  Certainly . As my colleague just mentioned , sustainability is a major concern when examining the potential output of a resource . Of course , as you can see from the content of our presentation today , with renewable resource , there is a much larger sustainability than with non-renewable resource . 
Output:
No emotion,No emotion