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.

[Q]: There are so many Chinese people in Vancouver .  The Chinatown in Vancouver is the second largest Chinatown in the North America . 
[A]: No


[Q]: Beth , would you like me to help you carry it ?  Thanks , but I don't want to put you into any trouble .  Don't be silly . It's no trouble at all . 
[A]: No


[Q]: I passed all the tests , Mom .  Well done ! 
[A]:
No


