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:     It's a lovely day out today , isn't it ?  
 Person2:  It's beautiful . Enjoy it while it lasts . It's supposed to get cold tomorrow .  
 Person1:      What's the weather forecast for tomorrow ?  
 Person2:  It's supposed to snow early tomorrow morning and then tomorrow afternoon there's a chance of freezing rain .  
 Person1:      That doesn't sound pretty .  
 Person2:  Do you have any plans for tomorrow ?  
 Person1:      Well , I was going to drive to Birmingham to see some friends .  
 Person2:  You might want to change your plans . With the cold and wet weather that we're supposed to have tomorrow , the roads are going to be rather slippery .  
 Person1:      I suppose I should . I don't like driving in dangerous weather conditions . Do you have any plans for tomorrow ?  
 Person2:  I just have to go to class tomorrow afternoon .  
 Person1:      If you're lucky , it'll get cancelled and you can have a snow day !  
 Person2:  If that happens , then I'll invite you over and we can drink hot cocoa and watch movies .  
 Person1:      That sounds like fun .  
 Person2:  Hey , look outside ! It's started to drizzle !  
 Person1:      English weather is even more predictable than I had previously thought . 

1