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:     Do you know that scientists replicated a sheep into an identical clone .  
 Person2:  I heard about that . It was successful .  
 Person1:      It's a big jump in science . Maybe more like a leap .  
 Person2:  I should say , it stunned me . I can't imagine what they will think of next . 

1