Detailed Instructions: 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.
Q: Person1: Do you believe in UFO's ?
Person2: Sure . A UFO is just a space vehicle from another planet . If you think about it , our space shuttles are UFOs .
Person1: I've never thought about it like that before .
Person2: I've seen photos of UFOs in America before , but they've all looked doctored up .
Person1: Do you think that there's life on other planets ?
Person2: I think there must be .
Person1: Why is that ?
Person2: I don't't think it would make sense if we were the only beings in this whole world . The world is just far too big for that .
Person1: Do you think that there's intelligent life trying to contact us ?
Person2: No , but we're trying to contact them .
Person1: I suppose you're right .
Person2: I think that countries are working hard to find a planet that we can live on in the future so that when global warming destroys this planet , humankind will not become extinct .
Person1: Do you really think that global warming Wil destroy Earth some day ?
Person2: There's a lot of evidence that suggest it will , but I don't think it's going to happen any time soon .
A:
0