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'.

Example Input: Person1: Hello ?
Person2: Hi , David . You are very difficult to reach . I called several times . But I kept getting a busy signal . Is your phone out of order ?
Person1: No , not out of order . But we seem to have a bad connection on the phone line . I can ' t hear you clearly .
Person2: Ok . Let me call you later . Is that okay ?
Person1: Sure . Thanks .
Example Output: 1

Example Input: Person1: Good morning , Japan Airline domestic reservations . Can I help you ?
Person2: Yes . I Would like make a reservation to Huston for tomorrow .
Person1: The flight to Huston takes off daily every two hours from 6:00 to 11:00 pm . So you don't need a reservation . Seats are available on a ' first come , first served ' basis .
Person2: Oh , that's quite convenient . Thank you .
Example Output: 1

Example Input: Person1: Your father looks much younger in the picture .
Person2: He was 20 years old then .
Person1: How old is he now ?
Person2: He's over sixty .
Example Output:
0