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: I've never been to a restaurant like this before .  It's really different , isn't it ?  That's a good word to describe it .  I hope you're hungry because the pizza here is huge as well as to die for .  I am hungry . I think I could eat a large by myself .  Well , let's order one for starters .  I'm in the mood for a Californian .  That happens to be my favorite . Waiter , I think we're ready to order . 
Solution:
Yes