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:     Do you know that Mary an Ben have already separated ?  
 Person2:  Yeah , I know .  
 Person1:      I didn ’ t know it until yesterday . I put my foot into it , and was even stupid enough to ask when they would get married . 

1