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:     How much will it amount to ?  
 Person2:  Wait a minute . It's $ 80.5 .  
 Person1:      Do you receive traveler's checks ?  
 Person2:  Sorry , sir . We accept cash only . 

1