Tyrannosaurus or Brachiosaurus?

"The crown is mine!"
"No, I saw it first!"

I am Tyrannosaurus.
I am a mighty dinosaur.
Look at my jaws. So powerful!
Look at my teeth. So pointy!

A heavy tail and strong hind legs.
Stomp, stomp! Roar, roar!
I am the king of them all.
Go, go, go!

Call out my name.
Tyranno! Tyranno! Tyrannosaurus!

One more time.
Tyranno! Tyranno! Tyrannosaurus!

I am Brachiosaurus.
I am a giant dinosaur.
Look at my neck. So long!
Look at my feet. So huge!

A heavy body and a whiplike tail.
Swish, swish! Swoosh, swoosh!
I am the king of them all.
Go, go, go!

Call out my name.
Brachio! Brachio! Brachiosaurus!

One more time.
Brachio! Brachio! Brachiosaurus!