Anchor: ESOPs were invented in the late 1950s, but did not become popular until the 1980s.
Entailed: ESOPs were popular in the 1980s but were actually invented 30 years earlier.
Contradiction: ESOPs were popular from the day they were invented in the 1950s.
Contradiction: All of the women went to Tubacca.
Contradiction: There are people on bikes in the city.
Contradiction: The program has a half-life of 50 years.
Contradiction: two men outside