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:     They're very good friends , aren't they ?  
 Person2:  I wouldn't say that.They seem to be on good terms but actually they always speak ill of each other .  
 Person1:      Oh , it's unbelievable ! 

1