Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Is that your phone ? 
 Person2:  yes , it's my new business phone . Do you like it ? 
 Person1:      it's very impressive . Can you use the Internet on your phone ? 
 Person2:  yes , it's got wireless Internet access . 
 Person1:      that's really convenient . Does it have the Bluetooth ? 
 Person2:  yes , but I don't really use it that often . Have you ever used it ? 
 Person1:      no , but I think it'd be really great for people like you who are always on the go . 
 Person2:  yes , I guess I should try to use it . 
 Person1:      does it have a camera ? 
 Person2:  of course it does . Doesn't every new phone include a camera these days ? 
 Person1:      I guess so . Would you mind if I checked my email quickly ? I'm supposed to be getting an important email this evening from a client . 
 Person2:  sure . Here you go . 
 Person1:      have you checked your voicemail recently ? 
 Person2:  no , why ? 
 Person1:      I think this icon means that you have a voicemail message . 
 Person2:  oh , yeah . Probably . I don't really know how to use this phone yet . 
 Person1:      do you want to listen to your messages first ? 
 Person2:  no , it's ok . Check your email first ; I'll check my unbox later . 
 Person1:      I'm surprised you don't use more of the features on your phone . 
 Person2:  I'm surprised you know so much about it . Where's your phone ? 
 Person1:      it quit working last week and I haven't had a chance to buy a new one yet . 
 Person2:  how have you been living without a cell phone for a week ? hasn't it been driving you carry being without a phone ? 
 Person1:      it's not that bad . It kind of feels like I'm on vacation , not having to answer my phone all the time ! 
 Person2:  let's go shopping . You can't depend on public phones in this day and age ! 

1