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:     What is your policy on returns ?  
 Person2:  If you bring them back with your receipt within seven days , you'll get a full refund . Also , if you need alterations to the pants , just bring them in and we'll do them for free .  
 Person1:      Sounds good .  
 Person2:  That'll be $ 70 , please . Will you be paying by cash or charge ?  
 Person1:      Charge . Here's my card .  
 Person2:  Okay , sir , here you are . Thank you very much .  
 Person1:      Thank you . 

1