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 how far is the museum , dad ?  
 Person2:  It is about 10 minutes walk .  
 Person1:      Finish your hot chocolate and we will go .  
 Person2:  Are we going to come back here for lunch ?  
 Person1:      No , we will have lunch at the museum cafeteria .  
 Person2:  I have finished . We can go now .  
 Person1:      Let's go then . On the way we have to turn right and right again at the next junction .  
 Person2:  Let's stop at the newsagent , I would like to buy a newspaper . We can also buy postcards for your friends .  
 Person1:      Can you see a Post Office somewhere around here ?  
 Person2:  Yes it is down there , at the end of the road , next to the supermarket .  
 Person1:      Oh good we are almost there . The museum is round the corner from the Post Office . 

1