Because dinosaurs went extinct 65 million years ago.
Now, this may be difficult to hear..."
She had mittens on.
He ate his pizza before it was cool. (Written anonymously in the bathroom at work, a pizza joint.)
because they might Pikachu!
An I-Don't-Think- He-Saurus
A dinosaur wearing red pajamas.
Because pterodactyls are extinct.
Because their p is quiet.