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 , when is the next train to Los Angeles ?  
 Person2:  10:15 a . m .  
 Person1:      Can I get the ticket here ?  
 Person2:  Sorry . You have to buy your ticket at the next counter .  
 Person1:      Thank you . 

1