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: I'm not sure , is this our stop ?
Person2: Yeah , get off the bus .
Person1: Do you have any idea where we are ?
Person2: I'm really not sure .
Person1: This can't be the right stop .
Person2: I don't think this is right .
Person1: We got off too early , didn't we ?
Person2: Yeah , we did get off too early .
Person1: I should've just stayed on the bus .
Person2: I messed up .
Person1: Great , we have to walk now .
Person2: You want to wait for the next bus ?
Example Output: 1

Example Input: Person1: Do you mind taking a photo for me ?
Person2: Of course not .
Person1: That's really kind of you .
Person2: I'm afraid I don't know how to use your camera .
Person1: Well , it's an automatic camera . You just press the button .
Person2: I see .
Person1: Thanks a lot .
Example Output: 0

Example Input: Person1: How would you like this order shipped ?
Person2: Send it by the fastest way .
Person1: Are you going to ship this by air ? That might cost a little more .
Person2: How much ?
Person1: I'll check the costs and call you back .
Person2: OK .
Example Output:
1