If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No

Example Input: 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 . 
Example Output: Yes

Example Input: You stepped on my foot !  Sorry . I didn't mean to . 
Example Output: No

Example Input: Do you like reading magazines ?  No , I don't .  Why ?  Because I think it's boring  No , you can learn a lot from them .  Learn a lot ? Really ?  Absolutely . And it's a good way to kill time during the tour .  Do you have magazines now ?  Yes , I do .  Can you lend me one ?  Sure . Here you are . 
Example Output:
Yes

