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: Good morning , sir . Can I help you ? Good morning . I'm interested in antiques . Do you have any ? Yes , we have a great variety of Chinese antiques . What do you have ? Well , we have some painting and some porcelain . Which do you like better ? I'd like porcelain . Good . How about the table set ? Oh , it looks well . I like it very much . It's made in Jingdezhen . How much is it ? One thousand eight hundred yuan . It's not expensive . I'll take it .
Solution:
Yes