 If paternity test means relatedness in human, how can you make the argument that it's not relatedness in between speakers? How can you not see that it's an argument for common designer? I bet if you looked at all the plays written by William Shakespeare, all of them use the same basic 26 letters. Whoa, does that prove they're related or does that prove that's the code with which you write English? I think I could go to about any parking lot and show you all the cars have round tires. Does that prove a relationship or is it because that's a design that works? What you're saying is true, your conclusion is wrong. You could argue a common designer. So you got the car there. I agree. In the case of cars, absolutely common designer. Same thing with books, but the key difference there is that those things don't reproduce.