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:     Come on.Plenty of room upstairs.Fares please !  
 Person2:  One to the beach . How much is it ?  
 Person1:      One dollar ... I'm short of change this morning .  
 Person2:  Sorry . I can wait a moment .  
 Person1:      Good , here's your ticket and four dollars change .  
 Person2:  Thank you . 

0