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 nice these sunglasses are !
Person2: Yes , they are the latest designs . Would you like to try them on ?
Person1: I want to try on this pair .
Person2: The round shape pair ?
Person1: That's right .
Person2: I think it suits you well .
Person1: I agree , how much ?
Person2: 120 yuan .
Person1: It's not expensive . OK . I'll take them .

Output: 0

Input: Consider Input: Person1: I need to purchase some business cards .
Person2: No problem . How many are you thinking about ?
Person1: I think 2,000 would be fine .
Person2: If you'll just fill out this form , please .
Person1: I want the new cards to be exactly like this card .
Person2: We can do that very easily .
Person1: ... Okay , I'm done . Here's the form and my old card .
Person2: Great . Your order will take only one week .
Person1: You know , I think it would be better if I could pick it up in three days .
Person2: We can do that . It'll just cost you extra .

Output: 0

Input: Consider Input: Person1: Paul failed again .
Person2: He'll never do well in mathematics .
Person1: How can we help him ?
Person2: Well , I can't help .
Output: 0