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: Excuse me . Mr . Li . May I ask you some questions ?
Person2: Sure . Take a seat , please . What would you like to know ?
Person1: Can you tell me how many credits would be enough for a Bachelor's degree ?
Person2: A Bachelor is awarded to a student who successfully completes over 120 units , including general and specific requirements , for his or her undergraduate major and elective courses .
Person1: How long does it take to earn a Bachelor's degree ?
Person2: Normally it can be completed in four years .
Example Output: 0

Example Input: Person1: Hello . I would like to buy some business cards .
Person2: Excellent . How many would you like ?
Person1: Two thousand would be fine .
Person2: You need to fill out this form , please .
Person1: All I want is the same thing on this card .
Person2: That will be no problem , sir .
Person1: ... Okay , I'm finished . Here's your form and my old card .
Person2: Very good , sir . Your order will be ready in one week .
Person1: Do you think you could finish it in three days ?
Person2: No problem , sir . But it will cost you extra .
Example Output: 0

Example Input: Person1: You look pale , you must have poor health .
Person2: Yeah . You said it .
Person1: Why not go to see the doctor ?
Person2: I ' Ve done that . The doctor advised me to cut out smoking and drinking .
Example Output:
0