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: Do you like tea ?
Person2: Yes , but I don't know much about it .
Person1: Tea does good to people's health . There are many kinds of tea.Say , black tea , green tea , scented tea , brick tea , milk tea , Jas - mine tea , chrysanthemum tea and so on .
Person2: My favourite is Jasmine tea . I like its aroma .
Person1: Yeah , but scented tea is now in fashion .
Example Output: 1

Example Input: Person1: The sun is shining .
Person2: But there're some mare's tails .
Person1: That's the sign of wind .
Person2: Oh , really , I thought it was a sign of rain .
Example Output: 0

Example Input: Person1: Why are you walking to and fro in the room ?
Person2: I ' m worrying about the children . After all this is the first time they have been out without us .
Person1: Don ' t worry . They are grown-ups .
Person2: I know . But I couldn ' t help .
Example Output:
1