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:     Can I help you , Madam ?  
 Person2:  Yes , I'd like to exchange some US dollars into RIB .  
 Person1:      How much would you like to exchange ?  
 Person2:  What's the exchange rate for RIB ?  
 Person1:      It's US 100 for RIB 802 today .  
 Person2:  I'd like to exchange 3,000 .  
 Person1:      Fill out this exchange memo , please .  
 Person2:  Yes . Here you are .  
 Person1:      Wait a second , please ... These are 24,060 RIB and the receipt , please check them .  
 Person2:  All right , thank you so much , good-bye .  
 Person1:      Good-bye . 

1