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: Have you got your invitation yet ?
Person2: My invitation ? No , I haven't . My invitation to what ?
Person1: The house warming party .
Person2: Whose house warming party is it ?
Person1: Tom and Bill Smith . They are both working now you know ? And they've bought a new house .
Person2: Oh , they have ? I didn't know . I haven't seen Tom lately .
Person1: It's out in the suburbs .
Person2: Have you seen the house ?
Person1: Yes , I have . I went out with them last weekend .
Person2: Is it nice ?
Person1: Yes , it is . There are three bedrooms , a living room , a dining room , and a big kitchen . There's also a garden .
Person2: Well , that does sound nice . Have they moved in yet ?
Person1: They are moving today . Tom's taken the day off . He's rented a truck , and they should have all their furniture in the house tonight .
Person2: When are they going to have the party ?
Person1: Next Saturday night . You should get your invitation today or tomorrow .
Person2: Wow , that would be something to look forward to .

Output: 1

Input: Consider Input: Person1: Hello ?
Person2: Hi , David . You are very difficult to reach . I called several times . But I kept getting a busy signal . Is your phone out of order ?
Person1: No , not out of order . But we seem to have a bad connection on the phone line . I can ' t hear you clearly .
Person2: Ok . Let me call you later . Is that okay ?
Person1: Sure . Thanks .

Output: 1

Input: Consider Input: Person1: I think modern painting means nothing .
Person2: I think so too . It's just pointless .
Person1: Then why are so many guys so crazy about it ?
Person2: I don't know . Maybe they're really crazy .
Person1: Maybe .
Output: 0