Anchor: A crowd of people are gathered at the start sign for the walk.
Entailed: A group of people gather at the start line.
Contradiction: A group of people cheering at a concert.
Contradiction: A woman is stretching.
Contradiction: Wroclaw was in Germany before World War II, but in Poland after the war. 
Contradiction: The man was very upset with the American.
Contradiction: A guy has blond hair.