Anchor: Slowly, agonizingly, it picked up speed and began its downward rush.
Entailed: It started to get faster and started to go down.
Contradiction: It started to accelerate downward, then went back up.
Contradiction: two men fall to the ground
Contradiction: She is a good writer and people buy her books.
Contradiction: Keep close to John.
Contradiction: He is worth at least one million dollars.