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.

[EX Q]: It's so boring . Don't you like it ? I don't . Is there anything worth watching on the other channel ? I think it's a basketball match on channel 5 . Do you mind if we switch over ? Well , I'd rather see a movie . What's the movie ? ' Star war ' . It must be interesting . Yes , you're right .
[EX A]: Yes

[EX Q]: You stepped on my foot ! Sorry . I didn't mean to .
[EX A]: No

[EX Q]: Nancy , please turn the TV down . Come on , John . This is my favorite show . I don't care . I have a headache .
[EX A]:
No