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: Do you keep any pets , such as cats , dogs ?
Person2: No , I'm scared of cats .
Person1: Oh , but why ?
Person2: I feel they're dirty .

Output: 1

Input: Consider Input: Person1: Can you believe that Susan got married ?
Person2: Really ? I remember she said if she would remain single . Is the man very rich ?
Person1: No . That ' s what is surprising me .
Person2: You means she didn ' t marry a rich man .
Person1: He ' s a postman .
Person2: I thought she would marry a fortune .

Output: 1

Input: Consider Input: Person1: Bon voyage !
Person2: Goodbye .
Output: 0