Anchor: The 20th century saw a stupendous release of energies that had been pent up for the 250 years of Tokugawa isolation.
Entailed: The Tokugawa isolation lasted for more than two centuries.
Contradiction: The Tokugawa isolation lasted for 20 years but it felt like it was 250 years.
Contradiction: Sorbents will increase the demand for ACI.
Contradiction: Yes, there aren't too many people.
Contradiction: He has a lot of free time.
Contradiction: A football player holds a ball.