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:     Steve . Is that you ?  
 Person2:  Yeah . What's going on ?  
 Person1:      Not much . What a surprise to see you here .  
 Person2:  Yeah . It's been a couple of months since I saw you .  
 Person1:      What have you been up to ?  
 Person2:  I just started working out .  
 Person1:      Really ? Where do you work out at ?  
 Person2:  I joined the Samsung Health Club last month .  
 Person1:      What do you mostly do during your workout ?  
 Person2:  I concentrate mostly on my legs , chest , arms and stomach .  
 Person1:      I should start exercising more .  
 Person2:  It's hard work while exercising , but it is a great feeling when I get done .  
 Person1:      I have a running machine at home . I used to use it , but I already got sick of it .  
 Person2:  Exercising at home is hard . The environment is not suited for exercising .  
 Person1:      If I want to exercise , I will need to join a gym .  
 Person2:  I have a couple of guest passes . You want to check out my health club ?  
 Person1:      That's a good idea . Let's go over the weekend .  
 Person2:  Great . I'll call you Saturday morning .  
 Person1:      Aright . I'll talk to you later .  
 Person2:  Ok . Bye . 

1