Anchor: A group of older folks gather around a table looking off into the distance.
Entailed: A group of people are standing around a table
Contradiction: A group of people are sitting on a plane
Contradiction: There is nothing we can do but to watch silently. 
Contradiction: They escaped our grasp.
Contradiction: Only two gates lead into the city.
Contradiction: Appropriate information should be organized in order to allow people to work efficiently.