"You can't kill fossils. Fossils are dead."

Livy's friend Gabriel challenged her to kill a dinosaur today. The following conversation ensued:

Livy: I can't kill a dinosaur. Dinosaurs are dead.

Gabriel: Well, OK, then kill a fossil.

Livy: You can't kill a fossil. Fossils are dead.

Gabriel: OK.

As a parent, I learn new things EVERY DAY! ;)