Anchor: The Malay martial art Silat came from Sumatra some 400 years ago.
Entailed: The Malay martial art Silat has been there for 400 years.
Contradiction: Silat is about 100 years old.
Contradiction: Social Security surplus will increase national saving.
Contradiction: A dog is chasing a ball.
Contradiction: Spring always comes too soon
Contradiction: two people together