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: Hello , Helen .
Person2: Hi , Steven .
Person1: How are you today ?
Person2: I ' m very well , Thank you . And you ?
Person1: I ' m fine , thanks . How is Tony ?
Person2: He ' s fine , Thanks . How ' s Emma ?
Person1: She ' s very well , too , Helen . Goodbye , Helen . Nice to see you .
Person2: Nice to see you , too , Steven . Goodbye .

Ex Output:
0

Ex Input:
Person1: Nice to see you , Patrick .
Person2: Bob ! I hear your team won the match .
Person1: Yeah . All of us tried our best .
Person2: Congratulations !
Person1: Thanks .

Ex Output:
0

Ex Input:
Person1: Tell me something about your Valentine's Day .
Person2: Ok , on that day , boys usually give roses to the sweet hearts and girls give them chocolate in return .
Person1: So romantic.young people must have lot of fun .
Person2: Yeah , that is what the holiday is for , isn't it ?

Ex Output:
0