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.

I'd like to talk to Mr . White please ?  He stepped out of the office for a little while .  When is a good time to catch him ?  In about twenty minutes . 
Yes

Can you pass me the lighter ?  Here . Catch ! 
No

Do you play mahjong ?  Once in a while . 

Yes

