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:     John hasn't got married up to now .  
 Person2:  Don't you know that he has been carrying a torch for Mary for years ?  
 Person1:      Really ? Does Mary know that ?  
 Person2:  Of course not .  
 Person1:      How silly John is . 

0