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:     Hi , Jim . How are you ? I haven't seen you for a while .  
 Person2:  I'm fine . I've been out of town . I just got back .  
 Person1:      Where were you ?  
 Person2:  I was in New York for a wedding . 

1