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 else , Ma'am ?  
 Person2:  No , thanks . My husband said , We'd like to pay now .  
 Person1:      Let me show you to the cashier's . It's 905 yuan in total .  
 Person2:  What ? Where does that five come from ?  
 Person1:      Oh , it's a service charge .  
 Person2:  But I only have 900 in cash here . Can you let it go for 900 yuan ?  
 Person1:      Sorry , but we can't do that . It's store's rule .  
 Person2:  My husband said he had a credit card . Do you accept credit card ?  
 Person1:      Yes .  
 Person2:  Great . Here it is .  
 Person1:      Here is the receipt . Wanna to have it wrapped , Ma'am ?  
 Person2:  Yes , please . Thank you very much .  
 Person1:      It'll be great to have you again .  
 Person2:  Thank you very much . 

1