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: Who are we going to play with today ?
Person2: We are playing against Hainan .
Person1: Oh , the basketball team from No . 1 College ? I know they're a tough team .
Person2: Sure they are .
Person1: Who's winning ?
Person2: We are , 27 to 26 .
Person1: Really ? I thought that they'd been killing us by now .
Person2: How can it be ? We are a tough team as well .
Example Output: 1

Example Input: Person1: Watch out ! You'll hit that car if you're not careful .
Person2: Oh no , I won't . But we will have an accident if you don't stop shouting .
Person1: You see . I told you you'd hit him if you weren't careful .
Person2: Oh , shut up , will you ? It was all your fault.If you'd kept quite this would never have happened .
Person1: Oh , so it was my fault , was it ? If I hadn't warned you in time it would have been much worse .
Example Output: 0

Example Input: Person1: What's your favourite steps ?
Person2: It's hard to say . But I do love waltz very much .
Person1: How about rumba ?
Person2: To tell the truth , I don't like it .
Person1: Really ? You must like tango , right ?
Person2: Oh , it's really beautiful , but I just can't dance it well .
Person1: Don't be so modest . I'm sure you can dance it very well . Let's dance it now .
Person2: OK . I'll have a try .
Person1: Oh , you dance it so well .
Person2: Thank you for your compliment .
Person1: I think I'm your lucky fellow .
Example Output:
1