Writer's Block: Children of the sun

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I couldn't avoid this one - it intrigues me!

Well if aliens arrive, odds are they have been watching us a while now - and they are either going to reveal themselves to (a. help us out; (b. take us over or (c. get us to change our ways.  I am hoping for a or c myself.

I do believe it's only a matter of time until we meet visitors.  Yes, I really do believe that.