Detailed Instructions: If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
See one example below:
Problem: So Dick , how about getting some coffee for tonight ?  Coffee ? I don ’ t honestly like that kind of stuff .  Come on , you can at least try a little , besides your cigarette .  What ’ s wrong with that ? Cigarette is the thing I go crazy for .  Not for me , Dick . 
Solution: Yes
Explanation: Here the first sentence indicates the soft tone and how exciting the speaker is for drinking coffee and it suggests overall happy tone and the output is yes. So this is a positive example.

Problem: Do you take in students ? I've been told you might have a vacant room .  Yes . If you don't mind sharing room with someone else , there's one available .  How much are you asking ?  800 Yuan a month .  Could I have a look at it , please ?  Sorry , but I'm on my way out now . Could you come back in an hour ? 
Solution:
No