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: Excuse me , but is this dress on sale ?  The dress was on sale yesterday .  Are you sure ? I'd be happy to pay the sale price today .  I'm so sorry , but rules are rules .  OK , I'll just check out a few other stores .  I'm sorry I couldn't help you . 
Solution:
No