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:     Excuse me , are you Miss Green ?  
 Person2:  Yes . May I help you ?  
 Person1:      May I introduce myself ?  
 Person2:  Yes .  
 Person1:      I ’ m a new student in the school . My name ’ s John .  
 Person2:  Nice to meet you , John .  
 Person1:      It ’ s a pleasure to meet you , Miss Green . 

1