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:     Show us our itineraries , please .  
 Person2:  We'll first go to Mount Tai , then we'll go to Sichuan by air , after that we'll be leaving for Tibet .  
 Person1:      How long will the trip take ?  
 Person2:  At least 20 days . 

0