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.

It's your turn now , Helen .  OK . I'm coming .  This is your song . I picked it for you .  Thank you . You are so considerate .  Push the red button on the mike to turn it on .  OK . This key is too high for me .  I think it's a piece of cake for you .  OK . Let me have a try ...  Well done ! I hope I can sing as well as you one day .  Thank you . I'm sure you will .  I hope so . Thank you for saying so . 
No