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:     Did you see May today ?  
 Person2:  Yes , but why does she have such a long face ?  
 Person1:      I don't have the foggiest idea .  
 Person2:  I thought she'd be happy .  
 Person1:      Yeah , especially since she got a promotion recently .  
 Person2:  I don't know . Maybe it ’ s some kind of personal problem . 

1