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:     Do you still see the people we went to school with ?  
 Person2:  I did for a while , I suppose , until I left university , but after that not really .  
 Person1:      Yeah , I've lost touch with most people as well , but I still see Rose occasionally .  
 Person2:  Oh yes , how's she getting on ?  
 Person1:      OK , I suppose , but she's had a rough time in the last few years , She got divorced .  
 Person2:  What , from Peter ?  
 Person1:      Oh , of course . 

1