Text: This east-coast Corinthian settlement, founded in 734 b.c. , was the most powerful of Magna Graecia's overseas colonies and, under Dionysius (405 367 b.c. ), a direct rival to Athens.
Entailment: This Corinthian settlement was considered a direct rival to Athens.
Contradiction: This east-coast Corinthian Settlement was the least powerful of Magna Graecia's colonies.