Anchor: Many football players are running on the grassy field.
Entailed: Football players running on the field.
Contradiction: Many football players gather in the cafeteria for the pregame pep rally at school.
Contradiction: His profession is only profession is being a construction worker
Contradiction: Men are performing for a crowd.
Contradiction: Congress should flip a coin and let a groundhog determine national policy.
Contradiction: They were taking engineers as participants.