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:     What do you think of the novel you just finished reading ? 
 Person2:  I like it a lot . It has a very funny beginning , I think . It attracts your attention the moment you begin reading it . 
 Person1:      What do you like best about it ? 
 Person2:  I like the plot . It's so full of twists and turns . I also like the main character . She is so humorous and smart . 
 Person1:      What do you think of the ending ? 
 Person2:  The ending is a bit weak . It's so abrupt , like those of most other detective stories . 

1