Anchor: 5 mpg before the start of that model year
Entailed: No more than 5 mpg was achieved prior to that model year.
Contradiction: It was unable to achieve more than 1 mpg.
Contradiction: the young man was shoveling snow for money
Contradiction: three dogs are running with a ball
Contradiction: There are no plans to turn his house into a museum.
Contradiction: A couple is planting flowers.