Determine whether there has been any questions asked by the speaker in the dialogue or not. If there has been a question in the dialogue then the output Yes otherwise output No.

Excuse me , can you show me the cloisonn bracelet in the counter ?  Sure . Let me get it for you .  Can you also show me this one ?  No problem . This one is made of pure gold .  I think the cloisonn bracelet is more beautiful .  You ’ re right . This one costs less , but is more beautiful .  Will the luster fade out after some time ?  No , we guarantee the quality .  Ok . Can I try it on ?  Certainly , the mirror is right here . 
Yes

Hi ! This is Tome Smith .  Yes , Mr . Smith ?  Is my VCR ready ?  No , it will be another hour . 
Yes

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 . 

Yes

