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

[Q]: Did you ever buy food from the snack stands near our hotel ? Yes , several times . How do you like them ? Not bad . I always have the temptation to eat something there . Then , why didn't you do that ? I don't know how much we can trust them . Do you have any ideas ? Some of them , I think , are not good . It doesn't taste good ? No , I mean some of them are not clean enough . That's my greatest concern . But how can you tell which one is clean ? I judge by appearances . I got it . I think it's worth trying . It certainly is . I'd like to try some kebab , roasted squid , and many different appealing things . Don't try everything at one time , please . I see . Thank you .
[A]: Yes

[Q]: Anna , Would you like to dance ? I ' d love to , but I ' m a terrible dancer . I ' m afraid I may step on your toes . Don ' t worry about it . I ' ll show you how . It ' s a piece of cake . Thank you . I ' ll try my best .
[A]: Yes

[Q]: What's the cost of the trousers ? $ 90 . Is there a price reduction ? Sorry , sir . The prices here are all fixed .
[A]:
No