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: would you like to learn to tango Donar ?
Person2: right now ?
Person1: i am offering you my services . for your church . what do you say ?
Person2: i think i'll be a little afraid .
Person1: of what ?
Person2: afraid of making a mistake .
Person1: no mistakes in a tango Donar.not like life , simple , that will make the tango so great . if you make a mistake , you'll get all tango done . just tango along . why don't you try ? will you try it .
Person2: all right . i'll give it a try .

Output: 0

Input: Consider Input: Person1: Excuse me , can I have a look at the green coat ?
Person2: Certainly . Here you are . It's a new arrival .
Person1: Yes , I like the style.Can I try this on ?
Person2: Sure . The fitting room is in the corner .

Output: 0

Input: Consider Input: Person1: What are you doing to your house ?
Person2: We're redecorating our living room .
Person1: What are you going to do to it ?
Person2: First , we're going to change the curtains , then we're going to paint the walls .
Person1: What colour are you going to paint them ?
Person2: Pale yellow .
Person1: What else are you going to do ?
Person2: We're going to put in some new furniture .
Output: 1