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'.

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