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'.

Ex Input:
Person1: Graham , why are you always on the phone with Jane ?
Person2: Because we are partners in our science lab . Why are you so jealous ?
Person1: The other night when you came home there was lipstick on your right cheek . How do you explain that ?
Person2: My aunt Mary just flew in from Cleveland and she laid one right on my right cheek .
Person1: Are you sure ?
Person2: Of course I am . I only love you , Amy .
Person1: Okay , I'm sorry . I believe you .
Person2: Why do you always accuse me like that ?
Person1: Because you are the most handsome boy at the university and I love you so much ! I guess I just go crazy sometimes . That's all .
Person2: Oh , Amy . I am the luckiest guy in the world .
Person1: Why ?
Person2: Because I am loved by the most beautiful girl in the world !
Person1: Oh . Graham . I love you so much and I really believe in our love .

Ex Output:
1

Ex Input:
Person1: How nice these sunglasses are !
Person2: Yes , they are the latest designs . Would you like to try them on ?
Person1: I want to try on this pair .
Person2: The round shape pair ?
Person1: That's right .
Person2: I think it suits you well .
Person1: I agree , how much ?
Person2: 120 yuan .
Person1: It's not expensive . OK . I'll take them .

Ex Output:
0

Ex Input:
Person1: He's too young for the job .
Person2: Give him a chance .

Ex Output:
0