Anchor: a group of people white water rafting in a blue raft.
Entailed: There are people on the water
Contradiction: The raft is red
Contradiction: The Virginia State Planning Assembly wanted to have an all-white-male staff.
Contradiction: The six men are in a group.
Contradiction: Gold and silver can be fully be used as currency or as a marketable resource.
Contradiction: The mug is inconvenient