If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
Example: 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 . 
Example solution: Yes
Example 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: Where is your dressing room ?  Right over there .  ( Person A comes out of the dressing room ) How did you like the sweater ?  I loved it . I'll take it .  Great . I can ring you up over here . It comes to $ 87.04 .  Here you go ?  Do you have a credit card with us ?  No I don't .  If you open up a card , you can save 10 % on all your purchases today .  Not today . Thanks though .  No problem . We always have this offer , so when ever you decide to , just let us know .  Sure .  Is there anything else I can help you with ?  Yeah . I was looking at some of your pants , but they are all a bit too long . Do you have alteration services here ?  Yes . It cost $ 7 , and it takes one day .  Great . Thanks for your help .  Thank you , and have a great day . 

Solution: Yes