The waters of the Great Barrier Reef are extremely clear. The waters of the Seychelles are fairly clear.
The waters of the Great Barrier Reef are the clearest of the two.
Everyone in the class is very anxious about the exam. Peggy is not very anxious.
Peggy is the least anxious about the exam in the class.
Carl is very realistic. Johan is very realistic.
Johan is as realistic as Carl.
These nuts are salty. Those nuts are not salty. The nuts in the cupboard are very salty.
The nuts in the cupboard are the saltiest of the three bags.