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:     What's going on ?  
 Person2:  Not much .  
 Person1:      This Friday , I'm throwing a party .  
 Person2:  Oh really ? I didn't know that .  
 Person1:      Are you serious ?  
 Person2:  I haven't heard anything about it .  
 Person1:      Can you make it ?  
 Person2:  What time does it start ?  
 Person1:      The party starts at 8 .  
 Person2:  Yeah , I think I'll go .  
 Person1:      Am I going to see you there ?  
 Person2:  You will . 

1