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: You look really wiped out ?
Person2: I had meetings back to back all morning . And phone rang off the hook from the minute I walked into the office .
Person1: Not a good day . I hate to tell you that Mr . Thomas wants to see the profit ' s statement for new project tomorrow morning .
Person2: I can ' t believe it . I guess I ' ll be here until 10 again tonight .

Output: 1

Input: Consider Input: Person1: Excuse me . What time does the next bus for Boston leave ?
Person2: It leaves at 8: 30 .
Person1: I see . Are there any seats available ?
Person2: Just a moment , please . Yes , you can have a seat .
Person1: Good . How much is a one-way ticket ?
Person2: It's 38 dollars .
Person1: All right . Here's 40 dollars .
Person2: Here's your ticket and change .
Person1: Thank you . Which gate should I go to for the bus ?
Person2: Go to gate number 2 , please .
Person1: Thank you very much .
Person2: Don't mention it .

Output: 1

Input: Consider Input: Person1: I would like to return this pair of shoes .
Person2: Do you have a sales slip ?
Person1: Here it is .
Person2: Sorry , things on sale are not allowed to be refunded or exchanged .
Person1: Oh , but this pair of shoes are a bit too tight . Could I change them for something bigger ?
Person2: All right . Wait a minute .
Output: 0