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:     How do you use an ATM card , billy ?  
 Person2:  It's easy grandpa . Insert you card into the machine here . Then wait a moment . Ok . Now you enter your PIN . It should have four numbers .  
 Person1:      Oh yes . I've got it written down here . Just a minute .  
 Person2:  You really shouldn ’ t write it down . You should memorize it . You can change it to a more convenient number if you like .  
 Person1:      Ok , I've entered my PIN . There are several options on the screen . I guess I just choose which service I want , don't I ?  
 Person2:  Yes . Choose the service you need to use . If you choose to withdraw money , the machine will ask you how much you want .  
 Person1:      I can just enter the amount using the keys , right ?  
 Person2:  That's right . Give the machine a moment to process you request . Then take your money .  
 Person1:      These machines aren't very difficult to use . In fact , I quite like them . They are much faster than dealing with a band clerk . 

1