Text: The first Europeans to arrive in the Pearl River Delta were the Portuguese, who settled in Macau in 1557 and for several centuries had a monopoly on trade between Asia, Europe, and South America.
Entailment: As the first settlers from Europe, the Portuguese maintained a monopoly on the Macau goods trafficking for a few hundred years.
Contradiction: The Portuguese soon abandoned trade in Macau after landing there in 1557.