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:     Do you want to rent a car ?  
 Person2:  Yes , I want one with automatic transmission .  
 Person1:      I think that one fits you . Do you need insurance ?  
 Person2:  Full insurance , please .  
 Person1:      OK , by the way , fill the gas tank when you return the car . 

1