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 like other films starring Charlie Chaplin ? 
 Person2:  Well , I like others very much , but I really don't think much of this one . 
 Person1:      You don't like the performance , do you ? 
 Person2:  Yes , but I don't like the story . 

1