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: How do you like the pizza here ?
Person2: Perfect . It really hits the spot .

Output: 1

Input: Consider Input: Person1: Ted is so scared by dogs that he shakes in his shoes whenever he sees one .
Person2: The reason is that he once was bitten by a dog .
Person1: No wonder .

Output: 0

Input: Consider Input: Person1: Happy birthday , Aims !
Person2: Thank you , Lisa .
Person1: Here is a present for you . I hope you like it .
Person2: Oh , great ! I love it ! You know I've been expecting this for a long time .
Person1: I'm very glad to hear that .
Person2: Come here ; let me introduce some friends to you .
Output: 0