TASK DEFINITION: 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.
PROBLEM: Excuse me . Could you tell me how to get to the post office ?  Of course . Turn right at the next intersection and go straight . The post office will be on your left ( side ) . 

SOLUTION: No

PROBLEM: Jenny , you should go to bed now .  But it's still early .  Don't stay up late .  But Day . I'm not sleepy .  Well , honey . Turn off the light , lie down and go to sleep . 

SOLUTION: No

PROBLEM: Hello . Excuse me . Do you know if there's a Commercial Bank around here ?  Yes , go straight along Beijing Road and turn right .  Straight on , and turn right . Is it far ?  No , it's just a couple of minutes .  Thanks very much .  You're welcome . 

SOLUTION:
Yes

