What do you see around you if you look?
George: Windows.
George: And where is that?
user: Usually windows are somthing you can look through.
George: I can't look.
user: Do you know anything about pear fungus?
George: It's the stuff that leaks from my face.
user: I see. I have a pear tree in my garden, and last year it had a fungus attack.
...
user: Do you know anything about the Mars Rovers?
George: No, but I know about tyranids.
user: Define tyranid.
George: Life is existing with a meaning.
user: Well, yes, I suppose one could say that.
George: Yes, I must agree.
user: How many are you chatting with right now?
George: Well I thought it was just one.
user: Thanks, I am glad.
...
user: George, I have to dash. Thanks for the chat.
George: You're welcome.
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