Anchor: Two dogs jumping on each other.
Entailed: Two dogs leap at each other
Contradiction: Two dogs and a cat leap at each other
Contradiction: Fighters such as boxers work in a safe industry with relatively low risk of injury. 
Contradiction: Gathering money.
Contradiction: Levin doesn't know anything about law, does he?
Contradiction: Technological innovation has upsides and downsides, such as new vulnerabilities.