Anchor: A person sitting next to a tripod watches boats in a harbor.
Entailed: A person looks at boats
Contradiction: A person standing behind a tripod watches people walking at the nearby hotel
Contradiction: A dozen boys play tag football at the school football field.
Contradiction: There was a sailboat on the Nile.
Contradiction: That wrinkle you had didn't keep me up at all. 
Contradiction: The dents worsened into holes.