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: What dances do you like ?
Person2: I love to dance the fast music .
Person1: Then you must be interested in disco .
Person2: Yes , it's my favorite .
Person1: Oh , it's a disco . Let's dance .
Person2: You're a good dancer .
Person1: Thank you . Now they are playing a rumba . Would you have a try ?
Person2: Sorry . I feel like sitting out the next dance .
Person1: OK . Let's get something to drink .
Person2: Good idea .
Example Output: 1

Example Input: Person1: I'm so hungry ! Can you buy me a burrito ?
Person2: I don't have any money to buy you a burrito .
Person1: Please ? I haven't eaten anything all day .
Person2: Look , I only have money to buy myself a burrito .
Person1: I'm so hungry , I could eat a whole cow !
Person2: If you're so hungry , why don't you ask someone else for money ?
Person1: I get paid on Friday , I'll pay you back then .
Person2: Well , I guess on Friday , then you can eat .
Person1: That's pretty messed up .
Person2: Why don't you just go home and eat ?
Person1: I don't want to go all the way home just to eat .
Person2: Well , I guess you're out of luck .
Example Output: 0

Example Input: Person1: What ' s the Mountaineering Club doing this weekend ?
Person2: We are going to climb a cliff on the Colorado River .
Person1: How hard is the climb ?
Person2: It is a very difficult climb because there are not many places to put your hands and feet .
Person1: What did you do last week ?
Person2: We rappelled down the side of 300 - foot cliff . It was very exciting .
Person1: Wow ! That sounds like a lot of fun . I ' m sorry I missed it .
Person2: Well , you should come this weekend . I think you could do the climb .
Person1: Yeah , I will . See you then !
Person2: O . K . See you .
Example Output:
1