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 have a light ?
Person2: Sorry , I don't smoke .

Output: 1

Input: Consider Input: Person1: How about going to the cinema tonight ?
Person2: That's great . What's on tonight ?
Person1: I am not sure about the name of the film , but I know it's a romantic one .
Person2: Romantic ? I am afraid I like thrillers better .
Person1: Don't you think it's too bloody ?
Person2: On the contrary , very exciting .

Output: 0

Input: Consider Input: Person1: Good coming . room service.What can I do for you ?
Person2: I'd like a hamburger and a cup of coffee.My room number is 402 .
Person1: OK.sir . We will bring it to you as soon as possible .
Person2: Thank you .
Output: 1