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

Q: Excuse me . Can you show me some nail-polish ? Yes . We have all kinds of colors for it . That's good . What's your favorite color ? In my opinion , orange is very nice . Sometimes pink is not bad , too . You're right . Well , just these two , please . Thank you . Anything else ? No , thanks .

A: Yes
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Q: Can I give you a hand ? Thanks .

A: Yes
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Q: Chinese tea is famous all over the world . I want to buy several boxes . There are various kinds of tea in China . It depends on the taste and effect . Well , I do not know Chinese tea at all . This is green tea , you can drink it in summer . It can relieve summer-heat and it is good for maintaining your lungs . Sounds interesting . What about this ? It is black tea , it has a strong taste and promotes digestion . What's this ? It smells fragrant . It is jasmine tea of high quality . It is fragrant and has a pleasant taste . I will take the jasmine tea . Could you pack it with the wrapping paper and ribbon ? It is a gift for my friend . No problem . Wait for a moment .

A:
Yes
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