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:     Excuse me , is this the right counter for express mail ?  
 Person2:  Yes , it is . What can I do for you ?  
 Person1:      I want to send some important documents to Canada for my postgraduate admission .  
 Person2:  Are they urgent , please ?  
 Person1:      Yes , the deadline for applying is 1st Feb , so I hope they will arrive in 3 days .  
 Person2:  Well , DHL is famous for its speed and reliability . It is the fastest international postal service available . The document will arrive in two or three days .  
 Person1:      Really ? But can you guarantee the safety ?  
 Person2:  Yes , I promise . Your document won't be broken or lost . All the items are handled by special staff and carried by a courier . It is reliable .  
 Person1:      OK . I will send them now .  
 Person2:  Please write the address and remittee on the express order and make sure there is no mistake on them .  
 Person1:      All right . Here you are .  
 Person2:  This is your receipt which you have to keep until the remittee receives the express . You can also check your post on our web . The post number is on the top of the receipt .  
 Person1:      Thank you . I have got quite clear idea of it . 

1