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'.

Ex Input:
Person1: How's your business ?
Person2: Everything seems to be getting worse . I don't know what to do with it .
Person1: Things are tough all over . You should never give up !
Person2: But how can I prevent a deficit ?
Person1: I think you should make a thorough market investigation now .
Person2: OK , OK . I ' ll do my best .
Person1: I always consider you are such a guy who never gives up .
Person2: I know life is not all roses , and I believe I will pull this through .
Person1: Yeah , you can make it .

Ex Output:
1

Ex Input:
Person1: May I invite you for a dance ?
Person2: With pleasure .
Person1: You dance well . Do you breakdance ?
Person2: Me , what brought that on ?
Person1: There's a story about breakdancing in the paper .
Person2: What does it say ?
Person1: According to the story , it's some sort of modern dance style .
Person2: Like disco ?
Person1: Well , breakdancing is more a physical exercise than a dance .
Person2: And disco a kind of nightclub .
Person1: Right , a disco is a place where people dance according to nonstop recorded music ...
Person2: So ... disco is what the music is called and a disco is a place where people go to dance to it.And breakdancing is a different sort of thing altogether .
Person1: You are witty .

Ex Output:
0

Ex Input:
Person1: Hello , Pineapple Computer Company . This is Janice Shaw , the secretary of Nova . May I ask who is calling ?
Person2: Good morning . This is Dan . Could I speak to Nova ?
Person1: I feel so sorry that Nova has gone on her business trip .
Person2: Really ? When will she come back ?
Person1: Maybe next weekend . She only mentioned this before she left .
Person2: Well , the reason why I am calling is to tell her that our appointment in next month will have to be postponed . And the exact time for this meeting will be discussed after she comes back .
Person1: Wait a minute . I have to leave a memo here . Anything else ?
Person2: The file for the meeting needs to be retyped and please send it to us as soon as possible .
Person1: Dan , don't worry . I will tell her everything as soon as she comes back .

Ex Output:
0