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.
Example: Are things still going badly with your houseguest ?  Getting worse . Now he ’ s eating me out of house and home . I ’ Ve tried talking to him but it all goes in one ear and out the other . He makes himself at home , which is fine . But what really gets me is that yesterday he walked into the living room in the raw and I had company over ! That was the last straw .  Leo , I really think you ’ re beating around the bush with this guy . I know he used to be your best friend in college , but I really think it ’ s time to lay down the law .  You ’ re right . Everything is probably going to come to a head tonight . I ’ ll keep you informed . 
Example solution: Yes
Example explanation: In this dialogue, there has been question present in the conversation so its ouput is Yes. So this is a positive example.

Problem: Hello , may I help you ?  Well , I'm looking for some winter clothes . And I notice you have pre-season sale on all your winter apparel .  Yes , everything is 25 % off .  Do you have any skirt that will go with this sweater ?  Sure , we have both skirts and slacks that will go well with the sweater . I especially like this flowery skirt . It's very much in style this year .  I don't think that shade of green will go with my complexion . Do you have any of those skirts in black or tan ?  Look on the rack to your right .  Oh , yes . Just show me where the fitting rooms are now . I can't wait to try this on . 

Solution: Yes