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:     Please tell us the exact time when the big fire broke out .  
 Person2:  The exact time ? Let me think . You know , it happened at night .  
 Person1:      But we need the exact time . What time ?  
 Person2:  Oh , I remember . It was about 10 o'clock . When I was about to go to bed , suddenly I heard help outside . 

0