"I was looking at the sun. The sun has no light. There is another sun behind the first sun. People don't know about the other sun."
Dave: Caitlin, what are you singing about?
Caitlin: There are two suns. The first sun doesn't have any light. But the second sun lights up the first sun.
Dave: Ummm...How do you know there are two suns?
Caitlin: How do you know there are not two suns? Have you looked behind the sun?
Dave: Good point.
Scary how her 5 year old brain works.