You will be given a definition of a task first, then some input of the task.
If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No

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 .
Output:
Yes