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:     Where are we going to visit today ?  
 Person2:  We are going to the national park .  
 Person1:      Really ? I have heard there are many famous national park in the US , which one exactly ?  
 Person2:  The Yellow Rock National Park .  
 Person1:      That's wonderful . I will see the Old Faithful for myself . 

1