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:     You won one million yuan in a lottery . What will you say ?  
 Person2:  I don't know . I'm too excited to say a word .  
 Person1:      I understand . It's too good to be true , isn't it ?  
 Person2:  Yes , too good to be true . 

1