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:     To be a revolutionary needs great courage !  
 Person2:  He must be courageous enough to fly in the face of established authorities .  
 Person1:      Galileo is one of them .  
 Person2:  So are Copernicus and many others . 

1