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: This suit looks nice.Can I try it on ?
Person2: Yes , of course.The dressing room is over there .
Example Output: 0

Example 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 .
Example Output: 1

Example Input: Person1: Hi , Mr . Smith . Are you enjoying the cookout ? You don't look too happy .
Person2: I spent the morning at the cemetery . I put flowers on the graves of my old war buddies .
Person1: Is that what people usually do on Memorial Day ?
Person2: They should . This holiday is about remembering our war dead . But people these days think it's just a holiday for summer sales and cookouts !
Person1: I'm sorry to hear that . Thank you for telling me a little more about it .
Example Output:
1