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 , how can I fill in this blank ? What does marital status mean ?  
 Person2:  Are you married ?  
 Person1:      No , I'm still single .  
 Person2:  Then , you put S in this blank . 

1