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:     Is this a photo of your family ?  
 Person2:  Yes , it is.It was taken just before I was leaving for college .  
 Person1:      You look so lovely .  
 Person2:  How time flies ! I'll not see twenty again . 

1