Text: Peat swamp, found in the southern half of the peninsula and in Sarawak on Borneo, is less fertile but rich in hardwood timber.
Entailment: Peat swamp is rich in hardwood timber, but less fertile, and it can be found in the southern half of the peninsula and in Sarawak on Bornero.
Contradiction: Peat swamp cannot be found in the southern half of the peninsula.