instruction:
If the emotion of happiness is present in the one of the dialogues of the conversation, then output Yes otherwise output No
question:
Taxi !  Yes , sir . Where to ?  Wangfujing , please !  All right .  Oh , I like the music on your radio . It's nice .  Thank you ! I always tune to this program when driving . So what's your favorite program ?  I like Winner's English very mush . You know the Beijing Olympic Games is right around the corner . We should learn English Well . It's on FM 96.6 , China Business Radio . You can get it on your radio too .  But I don't speak English at all .  That's OK . The program is especially for the beginners like us .  Really ? When is it on ?  It begins at 6:40 every morning , and it goes for 20 minutes .  Thank you so much . I'll try and catch that .  The radio has brought us lots of convenience .  Yes , I can also learn about the traffic condition through it .  With the development of the society and technology , radio is nearly everywhere .  So we should take the advantage of it . 
answer:
Yes


question:
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 . 
answer:
Yes


question:
Can I make preservation now ?  Sure . At what time ?  9:45 , please . We want a table next to the window .  I am sorry , sir . We are booked until 9:10 .  In that case , please help us reserve a table for 4 at 9:00 . 
answer:

No


