do you believe in UFO's ?
neutral
user
sure . A UFO is just a space vehicle from another planet . If you think about it , our space shuttles are UFOs .
neutral
assistant
I've never thought about it like that before .
neutral
user
I've seen photos of UFOs in America before , but they've all looked doctored up .
neutral
assistant
do you think that there's life on other planets ?
neutral
user
I think there must be .
neutral
assistant
why is that ?
neutral
user
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 .
neutral
assistant
do you think that there's intelligent life trying to contact us ?
neutral
user
no , but we're trying to contact them .
neutral
assistant
I suppose you're right .
neutral
user
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 .
neutral
assistant
do you really think that global warming Wil destroy Earth some day ?
neutral
user
there's a lot of evidence that suggest it will , but I don't think it's going to happen any time soon .
neutral
assistant