Anchor: Many people swimming is a lake surrounded by trees and houses.
Entailed: A group of people in the water surrounded by trees.
Contradiction: People walking on water in a lake surrounded by trees.
Contradiction: a small black and white dog carrying a yellow bucket in his mouth
Contradiction: The preceding section dealt with delivery comparisons.
Contradiction: A number of one fork is the highest grade. 
Contradiction: At a 500 MWe plant, a PJFF might be about 90 feet high.