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: 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 .

Ex Output:
1

Ex Input:
Person1: Betty was in hospital .
Person2: I know that . I met her last week , and she looked as pale as death .
Person1: She suffers from cancer .
Person2: That ' s too bad . She ' s been so kind to us all .

Ex Output:
0

Ex Input:
Person1: Excuse me , are you Dr . Smith ?
Person2: Yes I am . And you ...
Person1: I'm David , Joanna's husband . She has to be at work late today . So she asked me to pick you up here .
Person2: So nice to meet you , David . Call me Bill . It's very nice of you to come here .
Person1: My pleasure .

Ex Output:
1