Fallacies, Fallacies, Everywhere

My best friend the inter-net has some nice examples of the fallacy of equivocation. Here are two good ones:

A feather is light.

What is light cannot be dark.
Therefore, a feather cannot be dark.

Margarine is better than nothing.

Nothing is better than butter.

Therefore, margarine is better than butter.

Also, speaking of non sequiturs, here's a cute cat picture:

Wait, we weren't just speaking of non sequit--Oh. I see what you did there.

Clever.