Complete with the comparative and superlative forms.

BIG / SMALL

- A whale is a shark. A goldfish is a shark.

- The whale is of them. The goldfish is of them.

TALL / SHORT

- A giraffe is a camel. A zebra is a camel.

- The giraffe is of them. The zebra is of them.

FAST / SLOW

- A cheetah is a rabbit. A tortoise is a rabbit.

- The cheetah is of them. The tortoise is of them.

HEAVY / LIGHT

- An elephant is a polar bear. A dog is a polar bear.

- The elephant is of them. The dog is of them.

NOISY / QUIET

- A monkey is a bird. A fish is a bird.

- The monkey is of them. The fish is of them.