TASK DEFINITION: If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
PROBLEM: Ah , here we are . This is the place I was telling you about . Would you like to sit near the window ? Good . Let's have a look at the menu . Oh , there isn't a menu . Do you think you could ask the people at the next table if we could look at their menu ? Yes , of course . Excuse me . Could you possibly let us see your menu ? Oh . They haven't got one either .

SOLUTION: Yes

PROBLEM: 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 .

SOLUTION: Yes

PROBLEM: Hello , Mr . Brown . Hello . Can you help me ? Yes , I'm here to fix your pipes . Oh good , come in , please .

SOLUTION:
Yes