You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to classify the conversation either convey 'No emotion' or 'Happiness' by providing '1' and '0', respectively.

Ex Input:
Person1: What do you think is the role teacher should play in the classroom ?
Person2: Teachers are just directors who give scope to the students ' initiative and creativeness , instead of taking their rights away from speaking .
Person1: What did you do to put it into practice ?
Person2: I divided students into groups and asked them to generate their own ideas actively . It can help develop the problem-solving ability of the students .

Ex Output:
0

Ex Input:
Person1: Why don't we get ourselves a new car ? The old one's falling apart .
Person2: What a good idea !
Person1: What kind shall we get ?
Person2: We could go to more places this time , if you liked .
Person1: Yes , fine .
Person2: When shall we go and look ?
Person1: Why not sometime next week ?
Person2: No , let's go on Saturday .
Person1: OK .
Person2: Where shall we go ?
Person1: There's a car dealer down the road.How about going there ?
Person2: No , I don't like that place.Why don't we try the garage Martin recommended ?
Person1: Fine , We'll do that .

Ex Output:
1

Ex Input:
Person1: Look , it's all water over the dam now . Let's leave it behind us .
Person2: Yeah , I know , but it's too hard to do .
Person1: Our eyes should look into the future . We could not live in the past .
Person2: Only sometimes when I think about it , I feel very sad .
Person1: It's normal . Time will change everything .

Ex Output:
0