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:     Jim , I heard you took a trip to San Diego . Is that right ? 
 Person2:  Yeah , I just got back this morning . 
 Person1:      That sounds really nice . What did you do there ? 
 Person2:  Well , we were only there for three days , so we didn't do too much . We went shopping and went out to dinner a few times . And at night we walked around the city with some friends . 
 Person1:      Did you take any pictures ? 
 Person2:  Yes , I have them with me . Do you want to look at them ? 
 Person1:      Sure , I love looking at photos . 
 Person2:  This one is of my wife and me on the beach , and this one is our daughter Emily standing next to my wife . 
 Person1:      Your daughter looks like her mother . 
 Person2:  I know , they look very similar . 
 Person1:      Where was this picture taken ? 
 Person2:  That was taken at the train station before we left . 
 Person1:      Did you have time to go to the zoo ? 
 Person2:  No , not this time . We went there last time . 
 Person1:      It looks like you all had a nice time . 
 Person2:  Yeah , it was a lot of fun . 

1