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:     Welcome . How can we be of service today ?  
 Person2:  Hello . My aunt in the US has sent me $ 500 . She sent it yesterday , using the standard service . It's my birthday today , you see .  
 Person1:      Well , happy birthday . If it was sent yesterday using the usual service , it should be here already . You do have an account with us , right ?  
 Person2:  Yes . Here's my card . Do you need my ID ?  
 Person1:      Please . Just to double check all the details .  
 Person2:  There you go . 

1