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:     If I wanted to rent a van , how much would it cost ?  
 Person2:  Let's see . That would be ¥ 160 a day a mile .  
 Person1:      That sounds OK . I'll need it from the 10th to the 14th .  
 Person2:  Do you have a valid license ?  
 Person1:      Yeah . Here .  
 Person2:  Fine . Now complete this form and sign your name at the bottom . 

1