As mentioned elsewhere, you can type anything in the Language box:

Language: "a dumb guy"

Input: Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.

Output: So, like, a long-ass time ago, our great-granddads or whatever started this new country right here. They were all about being free and stuff, and they figured that everyone is, you know, pretty much the same.