Anchor: a group of children sit together and work on arts and crafts.
Entailed: Kids sit together and work art.
Contradiction: Kids play hide and go seek.
Contradiction: The tree is falling on the house.
Contradiction: I only played the game for a few weeks before putting it back on eBay where I recovered nearly all my money. 
Contradiction: He never noticed anything worth acting upon while serving as a judge.
Contradiction: It is located on a very nice piece of the beach.