Anchor: a group of marathon runners running around the corner of the street
Entailed: A group of marathon runners are giving the race their all.
Contradiction: A group of marathon runners are running on Mars.
Contradiction: Everyone knew what they were going to do with their checks. 
Contradiction: 80 Spanish soldiers (most of them retired) were accompanying the governor;
Contradiction: In an ideal world, secondary care would be before primary care.
Contradiction: The old ways of the native population has almost completely faded away.