Ted Olsen: So you see, Katie, fish have gills to extract oxygen from water. But, but air-breathing species have lungs, which are equipped only to accept oxygen in it's natural state. And that's why most mammals must live on land. (tries to down a cat)
Katie: Wow, that's neat.
Ted Olsen: Oh, hi, Frank. Would you like to keep him, Katie?
Katie: Can I? Gee, thanks, Mr. Olsen.
Ted Olsen: Why don't you run along now, Katie, and next week I'll show you why women can't play professional football.