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: Which film shall we see ?
Person2: There is nothing good at the moment.Let ' s do something different.Would you like to go to a concert ?
Person1: Yes , I'd love to.Here is a good one , Mozart and Beethoven.It ' s on the Festival Hall.Shall we go there ?
Person2: Fine ! Do you want anything to eat now ?
Person1: No , I'm not hungry .
Person2: Well , let's go and have something to drink instead . I know a good place . It's a little expensive , but it's fun .

Ex Output:
1

Ex Input:
Person1: Then I'll have to borrow it .
Person2: Sure you can . But I'm only gonna keep it for a month .
Person1: Why ? It's in mint condition !
Person2: That's why I can profit from it !
Person1: You're going to re-sell it on eBay Taiwan ?
Person2: You bet . eBay Taiwan doesn't have it ! And bidding will start at two thousand NT . This baby's worth about six thousand to real tennis fans ...
Person1: I've created a monster ... you're a better bayer than me !

Ex Output:
0

Ex Input:
Person1: what do you think about all the different diets people go on ?
Person2: I don't think dieting is good for you . It's much better to eat a balanced diet and to never get overweight to begin with !
Person1: but what do you think about people who are obese ? What should they do to lose weight ?
Person2: they need to eat healthy foods , but they also have to increase the amount of exercise they do every day . They don't have to cut out fattening foods altogether , though .
Person1: so you think it's ok for people who are dieting to eat chocolate ?
Person2: sure , they can eat some chocolate . As long as they are exercising and eating mostly healthy foods , there's nothing wrong with having a small desert .
Person1: how about drinking soda ?
Person2: many people gain weight by drinking far too much soda . Soda should be a treat ; there's simply no nutritional value in it whatsoever . If you want to lose weight and you can't stop drinking soda , try
Person1: that's good advice . Have you ever tried taking vitamins ?
Person2: my mother used to make me take vitamins every day , but I don't take them anymore . Vitamins are good as a supplement , but they don't do much good if you don't have a well-balanced diet to start .
Person1: how do you know so much about food and dieting ?
Person2: you might not believe this , but I used to be twice the size than I am now !

Ex Output:
1