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

Excuse me , could you tell me how much is the lipstick ? It costs only 25 yuan . Oh , it's too expensive . Can't you make it any cheaper ? The price is reasonable because the quality is super . But the price is too high . How much would you like it to be , then ? What about 15 yuan ? Let's meet half way , 20 yuan , OK ? All right , I'll take it . I think you've got a real bargain . Thank you .
Output:
Yes