Anchor: Saturdays bring throngs of teenagers from the suburbs to shop, watch films, roller skate, munch fast food, and just hang out.
Entailed: Throngs of teenagers on Saturdays are brought from the suburbs to shop, roller skate, munch fast food, watch films, and just hang out.
Contradiction: There are no teenagers in the suburbs, so none come to visit on Saturdays.
Contradiction: Large-scale studies were still the most inexpensive means of data collection.
Contradiction: Some exotic plants on the island are not native to it.
Contradiction: The street vendor is standing.
Contradiction: Lakeland Athletic Days.