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:     Good afternoon . May I help you ? 
 Person2:  Yes , I'd like to rent a car . 
 Person1:      What kind of car do you have in mind ? 
 Person2:  An automatic sedan . 
 Person1:      I see . How long will you need it ? 
 Person2:  About a week . 
 Person1:      Just a moment , please . 

1