Anchor: A brown dog catching a Frisbee in the air.
Entailed: The dog is in the outdoors
Contradiction: The dog is lying on the living room floor
Contradiction: Four people in their 30s are getting ready to go to dinner.
Contradiction: I already did it on my word processor but now I need redo the entire process. 
Contradiction: Gentilello would not allow the biology department to publish anything.
Contradiction: Another problem will come with a start.