Detailed Instructions: If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
Q: What can I do for you ? I'd like to buy some milk powder . What would you recommend ? We have many kinds of different purpose . I wonder whom you are buying for ? My son . He is two years old . I see , sir . This one is very good . Is it ? You may rest assured . It sells well . May I have a look at the introduction ? Certainly . Here it is .
A:
Yes