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:     I need to get some business cards printed up .  
 Person2:  Do you know how many you need ?  
 Person1:      I think I can get by with 2,000 .  
 Person2:  We can get started as soon as you fill out this form .  
 Person1:      I hope you can make the new cards just like my old cards .  
 Person2:  You won't be able to tell the difference with a magnifying glass .  
 Person1:      ... Okay , I'm through . Here's the form and my old card .  
 Person2:  Very good . You can pick up your order in one week .  
 Person1:      Now that I think of it , three days is better than seven .  
 Person2:  We can do that , but you'll have to pay a little extra . 

0