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: Where are we going to visit today ?
Person2: We are going to the national park .
Person1: Really ? I have heard there are many famous national park in the US , which one exactly ?
Person2: The Yellow Rock National Park .
Person1: That's wonderful . I will see the Old Faithful for myself .

Output: 1

Input: Consider Input: Person1: Why don't we Chinese have our own Valentine's Day ?
Person2: Of course we have . It's on the seventh day of the seventh lunar month .
Person1: Oh ? Why is that day ?
Person2: It is said that the Cowherd and the Spinster , the lover stars in heaven , can only meet on the seventh Eve , so this day has become the Lover's Day .

Output: 1

Input: Consider Input: Person1: Here comes the birthday cake .
Person2: Wow , what a lovely cake .
Person1: Be sure to blow out all the candles in one puff .
Person2: Oh , they all went out ! Did you make a wish ?
Person1: Yes , but I doubt if I get it . I've never get it .
Person2: Better luck this time .
Output: 0