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.

Input: Consider Input: Person1: It's terrible how things have changed.You remember there used to be trees on all these hills .
Person2: Really ? There aren't many left now .
Person1: No , they've all been cut down and now all the soil is washing away .
Person2: Were there any animals in the forest ?
Person1: Yes , I can remember it very well that there used to be all sorts of animals and birds.But nowadays you just don't see the birds that you used to see around here .

Output: 0

Input: Consider Input: Person1: I'm afraid I spilled coffee on the tablecloth .
Person2: Oh , never mind . I am just going to do the laundry today .
Person1: I want to apologize . Is there anything can do for you ?
Person2: It really doesn't matter at all . I never did like it anyway .

Output: 1

Input: Consider Input: Person1: What ?
Person2: What happened with that guy at the cafe ?
Person1: nothing
Person2: But you ' re crazy about him ?
Person1: Yes , I am .
Person2: Why don ' t you run off with him ? What are you waiting for ?
Person1: I don ' t actually know him .
Person2: Really ?
Person1: I only know him through the ... you are not gonna believe this .
Person2: Oh , let me guess . Through the internet ?
Person1: Yes .
Person2: Hmm . You ' Ve got mail .
Output: 0