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:     so ... what kind of things do you do in your free time ?  
 Person2:  I'm really into watching foreign films . what about you ?  
 Person1:      I like to do just about anything outdoors . Do you enjoy camping ?  
 Person2:  camping for an evening is ok , but I couldn't do it for much longer than one night !  
 Person1:      have you ever been camping in the Boundary Waters ?  
 Person2:  no , but I've always wanted to do that . I've heard it's a beautiful place to go .  
 Person1:      it's fantastic . My family and I are very fond of the place .  
 Person2:  do you have any photos of any of your camping trips there ?  
 Person1:      sure , would you like to see them ?  
 Person2:  that'd be great . What kind of camera do you have ?  
 Person1:      I have a Canon SLR .  
 Person2:  so , you must be pretty interested in photography then .  
 Person1:      I'd call it one of my hobbies . Do you know much about photography ?  
 Person2:  actually , I do . I took quite a few photography classes at University .  
 Person1:      have you heard about the photography exhibit that's going on at the art gallery this weekend ?  
 Person2:  yes , I was planning on going . Are you ?  
 Person1:      yes.In fact , maybe we could go together .  
 Person2:  that'd be great . what time should I meet you there ?  
 Person1:      how about at 11:00 ?  
 Person2:  sounds great . see you then . 

1