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:     Have you heard that Mel Gibson was arrested by the police last week ?  
 Person2:  No , not yet . Why ?  
 Person1:      For suspicion of driving under influence .  
 Person2:  Oh . I am not his fan . 

1