Anchor: A hiker climbing a rocky hill with fog surrounding him.
Entailed: a hiker is climbing a hill
Contradiction: a man is sledding down a hill
Contradiction: The coffee grown in the Blue Mountains is grown only below 3000 meters.
Contradiction: I think he left Georgetown in the 1970s after he retired.
Contradiction: Revenue is received as unsatisfactory
Contradiction: There were efficiency issues in production, caused by poor design.