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 . May I use the phone first ?  
 Person2:  Are you in a hurry ?  
 Person1:      You bet . I was supposed to call my mother an hour ago .  
 Person2:  In that case , here , you go first . 

0