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

Ex Input:
Is there anything I can do for you ? Yes . I am looking for a pair of gloves . What about this one ? It's the latest . Excuse me , but I want a pair of mittens . I am sorry , it's out of stock right now .

Ex Output:
No

Ex Input:
Good afternoon , sir . Have you made a reservation ? I am afraid not . Are there any vacant tables ? I don't think so . You have to wait for about 10 minutes . That's all right .

Ex Output:
No

Ex Input:
can I see these silk ties ? No problem . I ' ll take this one . Good . Anything else ? The tie pins ? The cuff links ? No , thank you . I want to have a look at that scarf . Ok . We have several kinds of scarves here . Let me get them for you . Just wait a minute . Oh . I like this one . I have been looking for this color and design . Please wrap it for me , and I ' ll take it .

Ex Output:
Yes