Text: Timber, which in the 1970s and 1980s brought valuable revenue to Malaysia as a whole and to Sabah and Sarawak in particular, has been cut back to preserve and replenish the dwindling rainforests.
Entailment: In the 70s and 80s timber brought in revenue for Malaysia.
Contradiction: Pharma drugs, which in the 1970s and 1980s brought valuable revenue to Malaysia.