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 know ? I thought Taiwanese people didn't have garage sales .  
 Person2:  You're right . We're not really into used stuff .  
 Person1:      Well , I've grown to like second-hand things . I wouldn't have gotten through university without them !  
 Person2:  There aren't many places that sell used things in Taiwan , besides auction websites .  
 Person1:      I use those sites . Hey ! Let's go check out a flea market later .  
 Person2:  Great ! I can teach you men a thing or two about shopping ! 

1