Anchor: A group of people standing together outside and raising their arms.
Entailed: A group of people are gathering together.
Contradiction: The group of people are doing handstands.
Contradiction:  A larger backswing will help me perform better.
Contradiction: Five people are on the balcony.
Contradiction: A man wearing a sombrero is frowning.
Contradiction: The fall of the Roman Empire was gradual, and was the result of poor leadership.