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: Consider Input: Person1: How is Tom now ?
Person2: He's out of the hospital and up and about again at last .
Person1: Let's congratulate him on Sunday .

Output: 1

Input: Consider Input: Person1: That sounds pretty good . But isn't downloading music illegal ?
Person2: Not if you pay for it . For example , if you download from iTunes and pay with your credit card , it's legal .
Person1: OK , I'm going to get iTunes and download some Vanilla Ice songs .
Person2: Awesome . You'll see that they are really catchy .

Output: 1

Input: Consider Input: Person1: The music has started .
Person2: How do you like this waltz ?
Person1: It's very nice .
Person2: May I ask you for a dance ?
Person1: Certainly .
Person2: You are doing the waltz wonderfully well .
Person1: Thanks . I'm glad you say so . Oh , the music has stopped .
Output: 0