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:     What would you be doing in U . S . A ? 
 Person2:  Most of the time I'll be on a tour , enjoying the beautiful scenery there . 
 Person1:      What do you want to see particularly ? 
 Person2:  I'll go to the Yellow Stone Park , and Great Canyon . 

1