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: 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: Hi , Walter !
Person2: Hi , Sterling !
Person1: What do you think of our new teacher ?
Person2: Professor Wood ? I think he's a brilliant scientist .
Person1: You're got a point there . But do you think he's a little absent-minded ?
Person2: I guess so .

Output: 0

Input: Consider Input: Person1: They are a nice middle-aged couple , just like us .
Person2: If they are just like us , they are not middle-aged .
Person1: Of course they are .
Person2: Middle-aged means in the middle , Ethel , middle of life . People don't live to a hundred and fifty .
Person1: Oh , we are the part on the edge of middle . That's all .
Person2: Oh , you know , we are not middle-aged . You're old , and I'm aging .
Person1: Oh , fool ! You're nearly seventy and I'm in the low sixties . Would you like to spend the rest of the afternoon squabbling about this ?
Person2: I can if you like .
Output: 0