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:     I think modern painting means nothing . 
 Person2:  I think so too . It's just pointless . 
 Person1:      Then why are so many crazy about it 
 Person2:  I don't know.Maybe they are really crazy . 
 Person1:      Maybe . 

0